Jamie Mackenzie vs Jan KumstatPrediction, Head-to-Head Results, and Stats
Jamie Mackenzie and Jan Kumstat have met 1 time since 2026; Jan Kumstat leads 1–0. Across all meetings Mackenzie has taken 1 sets to Kumstat's 2. Their most recent meeting: Jan Kumstat won at Hamburg Challenger (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Mackenzie | Kumstat | ||
|---|---|---|---|---|
| Indicator | Jamie Mackenzie | Jan Kumstat | ||
| Wins in straight sets | 53% | 10/19 | 71% | 29/41 |
| Wins a set when losing | 44% | 8/18 | 38% | 6/16 |
| Goes to a deciding set | 46% | 17/37 | 32% | 18/57 |
| Covers −1.5 sets as favorite | 43% | 6/14 | 65% | 24/37 |
| Covers +1.5 sets as underdog | 69% | 11/16 | 67% | 12/18 |
| Tiebreak sets won | 50% | 7/14 | 58% | 11/19 |
| Wins after taking set 1 | 76% | 13/17 | 89% | 33/37 |
| Wins 2-0 after taking set 1 | 59% | 10/17 | 78% | 29/37 |
Colored rows are higher-is-better: green above 50%, red below. Favorite/underdog set by book odds; cover rows count only matches with odds on record. Head-to-head: 0 of 1 completed meetings ended in straight sets (Mackenzie 0, Kumstat 0).
Style Matchup
Playing styles and historical archetype record
Mackenzie
🤖 Servebot
Kumstat
💥 Big Hitter
Matchup analysis
🤖 Servebot vs 💥 Big Hitter is historically tight (51% vs 49%, 4,932 matches). Neither style has a clear edge, so form, surface, and the head-to-head matter most.
Previous meetings
1 career meeting, newest first
Aug 11, 2026
Hamburg Challenger
C Clay · 1st Round
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Mackenzie | Kumstat | ||
|---|---|---|---|---|
| Outcome | Jamie Mackenzie | Jan Kumstat | ||
| 1 or more | 89% | 8/9 | 100% | 19/19 |
| 3 or more | 78% | 7/9 | 95% | 18/19 |
| 5 or more | 67% | 6/9 | 74% | 14/19 |
| 10 or more | 0% | 0/9 | 37% | 7/19 |
| 15 or more | 0% | 0/9 | 5% | 1/19 |
| 20 or more | 0% | 0/9 | 5% | 1/19 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Mackenzie | Kumstat |
|---|---|---|
| W-L | 5–4 | 18–2 |
| Avg odds | 2.42 | 1.62 |
| ROI % | +22.8% | +41.6% |
| Units P/L | +2.05u | +8.31u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Common opponents
Results vs. opponents both players faced · Last 12 months
Kumstat has a higher win rate against shared opponents (100% vs Mackenzie's 0%).
| Opponent | Mackenzie | Kumstat |
|---|---|---|
| Marvin Moeller | L 46 62 26 | W 46 76 75 |
Recent Form
Last five matches per player
Jan Kumstat
Hamburg Challenger · 1st Round
Aug 11
Elmer Moller
Hagen Challenger · 1st Round
Aug 4
Jan Choinski
Bonn Challenger · Final
Aug 2
Max Dahlin
Bonn Challenger · Semifinals
Aug 1
Jurij Rodionov
Bonn Challenger · Quarterfinals
Jul 31
Elmer Moller
Bonn Challenger · 2nd Round
Jul 29
Buvaysar Gadamauri
Bonn Challenger · 1st Round
Jul 27
Viktor Durasovic
M25 Metzingen · 2nd Round
Jul 23
Juan Pablo Varillas
Como Challenger · 1st Round
Aug 31
Chun-Hsin Tseng
Prague Challenger · Final
Aug 22
Filip Cristian Jianu
Prague Challenger · Semifinals
Aug 21
Maxim Mrva
Prague Challenger · Quarterfinals
Aug 20
Sumit Nagal
Prague Challenger · 2nd Round
Aug 19
Petr Brunclik
Prague Challenger · 1st Round
Aug 18
Marvin Moeller
Hamburg Challenger · Final
Aug 16
Matheus Pucinelli De Almeida
Hamburg Challenger · Semifinals
Aug 15
Win rate
Matches, sets and games won · Last 12 months · 37–58 matches
| Metric | Mackenzie | Kumstat |
|---|---|---|
| Matches won | 51% | 71% |
| Sets won | 51% | 66% |
| Games won | 51% | 55% |
Record by tier
Head-to-head record by tournament tier
| Stage | Mackenzie | Kumstat |
|---|---|---|
| ATP Challenger Tour | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Mackenzie | Kumstat |
|---|---|---|
| Clay | 0 | 1 |
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