Zak Parks M
mens 47–25 · mixed 15–12
+3.8 (+1.9…+5.4)
pts vs avg pairing (90% interval)
#88
of 286 active men (within gender only)
62–37
career record · 63% wins, 56% of points
Skill trajectory
Monthly posterior value (converted to points vs an average
pairing) with a 90% credible band. Flat months = little evidence, not zero
games.
2024-01 · +2.9 pts (90% band +1.3 to +4.3) 2024-02 · +2.9 pts (90% band +1.3 to +4.3) 2024-03 · +2.9 pts (90% band +1.3 to +4.3) 2024-04 · +2.9 pts (90% band +1.4 to +4.3) 2024-05 · +3.0 pts (90% band +1.5 to +4.3) 2024-06 · +3.0 pts (90% band +1.5 to +4.3) 2024-07 · +3.1 pts (90% band +1.6 to +4.4) 2024-08 · +3.1 pts (90% band +1.7 to +4.4) 2024-09 · +3.3 pts (90% band +1.8 to +4.5) 2024-10 · +3.3 pts (90% band +1.9 to +4.5) 2024-11 · +3.4 pts (90% band +1.9 to +4.6) 2024-12 · +3.5 pts (90% band +2.0 to +4.7) 2025-01 · +3.5 pts (90% band +2.0 to +4.7) 2025-02 · +3.5 pts (90% band +2.1 to +4.7) 2025-03 · +3.5 pts (90% band +2.1 to +4.7) 2025-04 · +3.6 pts (90% band +2.1 to +4.8) 2025-05 · +3.6 pts (90% band +2.2 to +4.8) 2025-06 · +3.6 pts (90% band +2.2 to +4.8) 2025-07 · +3.6 pts (90% band +2.3 to +4.8) 2025-08 · +3.7 pts (90% band +2.3 to +4.8) 2025-09 · +3.7 pts (90% band +2.3 to +4.8) 2025-10 · +3.7 pts (90% band +2.4 to +4.9) 2025-11 · +3.7 pts (90% band +2.4 to +4.9) 2025-12 · +3.8 pts (90% band +2.4 to +5.0) 2026-01 · +3.8 pts (90% band +2.3 to +5.0) 2026-02 · +3.8 pts (90% band +2.3 to +5.1) 2026-03 · +3.8 pts (90% band +2.3 to +5.1) 2026-04 · +3.8 pts (90% band +2.2 to +5.1) 2026-05 · +3.8 pts (90% band +2.2 to +5.2) 2026-06 · +3.8 pts (90% band +2.1 to +5.2) 2026-07 · +3.8 pts (90% band +2.1 to +5.2) 2026-08 · +3.8 pts (90% band +2.0 to +5.3) 2026-09 · +3.8 pts (90% band +1.9 to +5.3) 2026-10 · +3.8 pts (90% band +1.9 to +5.4) +1 +2 +3 +4 +5 2024 2025 2026 pts vs avg pairing
Game log vs expectation
Dots = share of points actually won in each game; line = what
the model expected given both pairings that month (weakest-link included;
descriptive, not a frozen forecast).
2024-02-20 PPA · 11-2 · vs Arledge/Macauley · w/ Joshua Reason · model expected 65% of points 2024-02-20 PPA · 11-3 · vs Arledge/Macauley · w/ Joshua Reason · model expected 65% of points 2024-02-20 PPA · 11-1 · vs Bramblett/Mason · w/ Joshua Reason · model expected 65% of points 2024-02-20 PPA · 11-3 · vs Bramblett/Mason · w/ Joshua Reason · model expected 65% of points 2024-02-20 PPA · 6-11 · vs Hall/Boydston · w/ Joshua Reason · model expected 52% of points 2024-02-20 PPA · 10-12 (OT) · vs Hall/Boydston · w/ Joshua Reason · model expected 52% of points 2024-03-08 PPA · 8-11 · vs Tavernier/Alhouni · w/ Jamie Voelker · model expected 58% of points 2024-03-08 PPA · 9-11 · vs Tavernier/Alhouni · w/ Jamie Voelker · model expected 58% of points 2024-03-08 PPA · 15-11 · vs Melin/Dutrieuille · w/ Jamie Voelker · model expected 65% of points 2024-03-08 PPA · 11-15 · vs Smith/Wang · w/ Jamie Voelker · model expected 36% of points 2024-03-09 PPA · 3-11 · vs Garnett/Loong · w/ Joshua Reason · model expected 33% of points 2024-03-09 PPA · 2-11 · vs Garnett/Loong · w/ Joshua Reason · model expected 33% of points 2024-03-09 PPA · 11-1 · vs Khan/Garza · w/ Joshua Reason · model expected 68% of points 2024-03-09 PPA · 11-4 · vs Khan/Garza · w/ Joshua Reason · model expected 68% of points 2024-04-17 PPA · 11-3 · vs Weston/Smyth · w/ Joshua Reason · model expected 55% of points 2024-04-17 PPA · 11-7 · vs Weston/Smyth · w/ Joshua Reason · model expected 55% of points 2024-04-17 PPA · 1-11 · vs Leising/Powell · w/ Jae-Jae Segal · model expected 37% of points 2024-04-17 PPA · 7-11 · vs Leising/Powell · w/ Jae-Jae Segal · model expected 37% of points 2024-04-18 PPA · 8-11 · vs Guidroz/Jansson · w/ Joshua Reason · model expected 50% of points 2024-04-18 PPA · 5-11 · vs Guidroz/Jansson · w/ Joshua Reason · model expected 50% of points 2024-05-13 PPA · 15-11 · vs McDivitt/Owens · w/ Joshua Reason · model expected 64% of points 2024-05-13 PPA · 11-15 · vs Boyle/Hirschler · w/ Joshua Reason · model expected 45% of points 2024-05-13 PPA · 6-15 · vs Simon/Granot · w/ Shannon Pretorius · model expected 45% of points 2024-05-13 PPA · 15-0 · vs Cozzillio/Cozzillio · w/ Joshua Reason · model expected 78% of points 2024-08-21 PPA · 5-11 · vs Weinbach/Russo · w/ Kevin Caulfield · model expected 59% of points 2024-08-21 PPA · 11-7 · vs Weinbach/Russo · w/ Kevin Caulfield · model expected 59% of points 2024-08-21 PPA · 4-11 · vs Weinbach/Russo · w/ Kevin Caulfield · model expected 59% of points 2024-08-21 PPA · 12-10 (OT) · vs Mercado/Werner · w/ Kevin Caulfield · model expected 63% of points 2024-08-21 PPA · 11-3 · vs Mercado/Werner · w/ Kevin Caulfield · model expected 63% of points 2024-08-21 PPA · 11-6 · vs Perez/Jansen · w/ Cassidy Hoag · model expected 58% of points 2024-08-21 PPA · 3-11 · vs Perez/Jansen · w/ Cassidy Hoag · model expected 58% of points 2024-08-21 PPA · 6-11 · vs Perez/Jansen · w/ Cassidy Hoag · model expected 58% of points 2024-08-21 PPA · 11-7 · vs Angelo/Ticknor · w/ Cassidy Hoag · model expected 64% of points 2024-08-21 PPA · 11-0 · vs Angelo/Ticknor · w/ Cassidy Hoag · model expected 64% of points 2024-09-09 PPA · 11-1 · vs Halski/Segars · w/ Joshua Reason · model expected 67% of points 2024-09-09 PPA · 11-0 · vs Halski/Segars · w/ Joshua Reason · model expected 67% of points 2024-09-09 PPA · 11-13 (OT) · vs Ford/Crum · w/ Joshua Reason · model expected 47% of points 2024-09-09 PPA · 8-11 · vs Ford/Crum · w/ Joshua Reason · model expected 47% of points 2024-12-18 PPA · 11-2 · vs Holstein/I · w/ Jorge Nunez · model expected 68% of points 2024-12-18 PPA · 11-8 · vs Holstein/I · w/ Jorge Nunez · model expected 68% of points 2024-12-18 PPA · 11-4 · vs Luhring/Barlow · w/ Jorge Nunez · model expected 41% of points 2024-12-18 PPA · 11-8 · vs Luhring/Barlow · w/ Jorge Nunez · model expected 41% of points 2024-12-21 PPA · 4-11 · vs Wright/Koller · w/ Jorge Nunez · model expected 37% of points 2024-12-21 PPA · 11-5 · vs Wright/Koller · w/ Jorge Nunez · model expected 37% of points 2024-12-21 PPA · 4-11 · vs Wright/Koller · w/ Jorge Nunez · model expected 37% of points 2025-09-06 PPA · 11-7 · vs Scarp/Dugas · w/ Rougel Jon Lutz Aninon · model expected 64% of points 2025-09-06 PPA · 11-9 · vs Scarp/Dugas · w/ Rougel Jon Lutz Aninon · model expected 64% of points 2025-09-06 PPA · 11-5 · vs Navarrete/Benjamin · w/ Rougel Jon Lutz Aninon · model expected 78% of points 2025-09-06 PPA · 11-4 · vs Navarrete/Benjamin · w/ Rougel Jon Lutz Aninon · model expected 78% of points 2025-09-06 PPA · 11-3 · vs Crum/Benitez · w/ Rougel Jon Lutz Aninon · model expected 53% of points 2025-09-06 PPA · 10-12 (OT) · vs Crum/Benitez · w/ Rougel Jon Lutz Aninon · model expected 53% of points 2025-09-06 PPA · 7-11 · vs Crum/Benitez · w/ Rougel Jon Lutz Aninon · model expected 53% of points 2025-09-07 PPA · 11-5 · vs Garcia/Addington · w/ Rougel Jon Lutz Aninon · model expected 62% of points 2025-09-07 PPA · 11-9 · vs Okelley/Hoover · w/ Cassidy Hoag · model expected 68% of points 2025-09-07 PPA · 9-11 · vs Evans/Patel · w/ Cassidy Hoag · model expected 60% of points 2025-09-07 PPA · 11-4 · vs Romano/Mogle · w/ Rougel Jon Lutz Aninon · model expected 52% of points 2025-09-07 PPA · 11-6 · vs Nani/Grollman · w/ Rougel Jon Lutz Aninon · model expected 55% of points 2025-09-07 PPA · 11-7 · vs Nani/Grollman · w/ Rougel Jon Lutz Aninon · model expected 55% of points 2025-09-07 PPA · 14-16 (OT) · vs Mulhern/Vollbach · w/ Cassidy Hoag · model expected 58% of points 2025-09-07 PPA · 11-3 · vs Rangelov/Hamaguchi · w/ Rougel Jon Lutz Aninon · model expected 57% of points 2025-09-07 PPA · 11-7 · vs Mody/Ruff · w/ Rougel Jon Lutz Aninon · model expected 62% of points 2025-09-07 PPA · 16-14 (OT) · vs Simon/Franke · w/ Cassidy Hoag · model expected 63% of points 2025-10-05 PPA · 11-1 · vs Hilliard/Lanier · w/ Alex Walker · model expected 79% of points 2025-10-05 PPA · 11-1 · vs Hilliard/Lanier · w/ Alex Walker · model expected 79% of points 2025-10-05 PPA · 11-6 · vs Grigoriu/Nani · w/ Alex Walker · model expected 58% of points 2025-10-05 PPA · 11-8 · vs Grigoriu/Nani · w/ Alex Walker · model expected 58% of points 2025-10-05 PPA · 11-7 · vs Gecheva/Stone · w/ Alex Walker · model expected 48% of points 2025-10-05 PPA · 11-7 · vs Gecheva/Stone · w/ Alex Walker · model expected 48% of points 2025-10-05 PPA · 8-11 · vs Khan/Bricker · w/ Alex Walker · model expected 56% of points 2025-10-05 PPA · 11-9 · vs Khan/Bricker · w/ Alex Walker · model expected 56% of points 2025-10-05 PPA · 11-13 (OT) · vs Khan/Bricker · w/ Alex Walker · model expected 56% of points 2025-10-05 PPA · 15-13 · vs Ronney/Whittaker · w/ Alex Walker · model expected 62% of points 2025-10-05 PPA · 15-4 · vs Laura/III · w/ Alex Walker · model expected 55% of points 2025-11-18 PPA · 11-5 · vs Nilsson/Shaw · w/ Rougel Jon Lutz Aninon · model expected 65% of points 2025-11-18 PPA · 11-13 (OT) · vs Nilsson/Shaw · w/ Rougel Jon Lutz Aninon · model expected 65% of points 2025-11-18 PPA · 5-11 · vs Nilsson/Shaw · w/ Rougel Jon Lutz Aninon · model expected 65% of points 2025-12-16 PPA · 11-4 · vs Gonnering/Wade · w/ Rougel Jon Lutz Aninon · model expected 64% of points 2025-12-16 PPA · 11-9 · vs Gonnering/Wade · w/ Rougel Jon Lutz Aninon · model expected 64% of points 2025-12-16 PPA · 11-6 · vs Herrick/Herrick · w/ Rougel Jon Lutz Aninon · model expected 62% of points 2025-12-16 PPA · 11-5 · vs Herrick/Herrick · w/ Rougel Jon Lutz Aninon · model expected 62% of points 2025-12-19 PPA · 12-10 (OT) · vs Pham/Shaffer · w/ Rougel Jon Lutz Aninon · model expected 59% of points 2025-12-19 PPA · 3-11 · vs Pham/Shaffer · w/ Rougel Jon Lutz Aninon · model expected 59% of points 2025-12-19 PPA · 11-3 · vs Pham/Shaffer · w/ Rougel Jon Lutz Aninon · model expected 59% of points 2025-12-19 PPA · 11-8 · vs Newman/Khlif · w/ Rougel Jon Lutz Aninon · model expected 32% of points 2025-12-19 PPA · 6-11 · vs Newman/Khlif · w/ Rougel Jon Lutz Aninon · model expected 32% of points 2025-12-19 PPA · 5-11 · vs Newman/Khlif · w/ Rougel Jon Lutz Aninon · model expected 32% of points 2026-02-09 PPA · 11-1 · vs Coleman/Rodriguez · w/ Rougel Jon Lutz Aninon · model expected 74% of points 2026-02-09 PPA · 11-2 · vs Coleman/Rodriguez · w/ Rougel Jon Lutz Aninon · model expected 74% of points 2026-02-09 PPA · 10-12 (OT) · vs Gomez/Ganesh · w/ Rougel Jon Lutz Aninon · model expected 60% of points 2026-02-09 PPA · 13-11 (OT) · vs Gomez/Ganesh · w/ Rougel Jon Lutz Aninon · model expected 60% of points 2026-02-09 PPA · 11-2 · vs Gomez/Ganesh · w/ Rougel Jon Lutz Aninon · model expected 60% of points 2026-02-10 PPA · 2-11 · vs Delgado/Loyd · w/ Rougel Jon Lutz Aninon · model expected 44% of points 2026-02-10 PPA · 12-14 (OT) · vs Delgado/Loyd · w/ Rougel Jon Lutz Aninon · model expected 44% of points 2026-03-07 PPA · 11-8 · vs Campagna/Grubbs · w/ Jorge Nunez · model expected 46% of points 2026-03-07 PPA · 11-9 · vs Campagna/Grubbs · w/ Jorge Nunez · model expected 46% of points 2026-03-07 PPA · 7-11 · vs Powell/Harvey · w/ Jorge Nunez · model expected 43% of points 2026-03-07 PPA · 5-11 · vs Powell/Harvey · w/ Jorge Nunez · model expected 43% of points 2026-03-07 PPA · 11-2 · vs Evans/Hsieh · w/ Jorge Nunez · model expected 78% of points 2026-03-07 PPA · 11-3 · vs Evans/Hsieh · w/ Jorge Nunez · model expected 78% of points 0% 25% 50% 75% 100% 2024 2025 2026 win loss model expectation share of points
Splits
year tour W–L
win% avg score 2024 PPA 24–21 53% 9.1–7.8 2025 PPA 30–11 73% 10.6–7.8 2026 PPA 8–5 62% 9.7–7.5
2–7
deciding games (PPA winner-take-all)
4–8
overtime games (past the target)
31
blowout wins (opponents ≤5)
+2
current streak (+W / −L)
Singles
+0.3 (-2.7…+3.2)
pts vs avg active men’s singles player (90%)
rated
19 pro singles games
6–13
singles record · last 2024-12
Full singles ratings →
Partners
Chemistry = pair effect beyond the two players' values, in
points per game; almost everything here is honest noise — no pair in the
sport clears statistical significance (why ).
Recent games
date tour partner
opponents score vs exp
2026-03-07 PPA · mens Jorge Nunez Evans/Hsieh 11-3 +1% 2026-03-07 PPA · mens Jorge Nunez Evans/Hsieh 11-2 +7% 2026-03-07 PPA · mens Jorge Nunez Powell/Harvey 5-11 -12% 2026-03-07 PPA · mens Jorge Nunez Powell/Harvey 7-11 -5% 2026-03-07 PPA · mens Jorge Nunez Campagna/Grubbs 11-9 +9% 2026-03-07 PPA · mens Jorge Nunez Campagna/Grubbs 11-8 +12% 2026-02-10 PPA · mens Rougel Jon Lutz Aninon Delgado/Loyd 12-14 OT +2% 2026-02-10 PPA · mens Rougel Jon Lutz Aninon Delgado/Loyd 2-11 -29% 2026-02-09 PPA · mens Rougel Jon Lutz Aninon Gomez/Ganesh 11-2 +24% 2026-02-09 PPA · mens Rougel Jon Lutz Aninon Gomez/Ganesh 13-11 OT-6% 2026-02-09 PPA · mens Rougel Jon Lutz Aninon Gomez/Ganesh 10-12 OT -15% 2026-02-09 PPA · mens Rougel Jon Lutz Aninon Coleman/Rodriguez 11-2 +11%
Put Zak in the simulator →
Unofficial fan analytics based on public results data —
not affiliated with any tour. Every number that has an error bar shows it;
cross-gender rankings are never published as fact (why ).
Model: Bayesian, 36k games, validated 77.4% winner accuracy on 884 unseen
games · data through 2026-10-14.