Filip Cristian Jianu vs Jan KumstatPrediction, Head-to-Head Results, and Stats
Filip Cristian Jianu and Jan Kumstat have met 1 time since 2026; Jan Kumstat leads 1–0. Across all meetings Jianu has taken 0 sets to Kumstat's 2. Their most recent meeting: Jan Kumstat won at Prague Challenger (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Cristian Jianu | Kumstat | ||
|---|---|---|---|---|
| Indicator | Filip Cristian Jianu | Jan Kumstat | ||
| Wins in straight sets | 79% | 44/56 | 74% | 31/42 |
| Wins a set when losing | 35% | 9/26 | 39% | 7/18 |
| Goes to a deciding set | 26% | 21/82 | 30% | 18/60 |
| Covers −1.5 sets as favorite | 50% | 14/28 | 65% | 24/37 |
| Covers +1.5 sets as underdog | 73% | 8/11 | 67% | 12/18 |
| Tiebreak sets won | 43% | 6/14 | 52% | 11/21 |
| Wins after taking set 1 | 93% | 51/55 | 88% | 35/40 |
| Wins 2-0 after taking set 1 | 80% | 44/55 | 78% | 31/40 |
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: 1 of 1 completed meetings ended in straight sets (Cristian Jianu 0, Kumstat 1).
Style Matchup
Playing styles and historical archetype record
Jianu
⚔️ The Gladiator
Kumstat
👑 The Complete Package
Matchup analysis
The 👑 The Complete Package archetype wins about 54% vs ⚔️ The Gladiator across 219 matches in our dataset: a stylistic lean toward Jan Kumstat.
The Complete Package players often use elite serve & return and high bp conversion to pressure the the gladiator's physical intensity.
Previous meetings
1 career meeting, newest first
Aug 21, 2026
Prague Challenger
C Clay · Semifinals
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Jianu | Kumstat | ||
|---|---|---|---|---|
| Outcome | Filip Cristian Jianu | Jan Kumstat | ||
| 1 or more | 63% | 5/8 | 100% | 28/28 |
| 3 or more | 13% | 1/8 | 96% | 27/28 |
| 5 or more | 13% | 1/8 | 86% | 24/28 |
| 10 or more | 13% | 1/8 | 39% | 11/28 |
| 15 or more | 0% | 0/8 | 7% | 2/28 |
| 20 or more | 0% | 0/8 | 4% | 1/28 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Jianu | Kumstat |
|---|---|---|
| W-L | 3–3 | 22–7 |
| Avg odds | 2.70 | 1.68 |
| ROI % | -20.3% | +25.4% |
| Units P/L | -1.22u | +7.36u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Jianu | Kumstat |
|---|---|---|
| Countries | 3 | 2 |
| Events | 3 | 3 |
| Matches | 6 | 11 |
| Distance | — | 593 mi · 954 km |
| Route | GER → CZE → ROU | CZE → GER → CZE |
Host country from the tournament each match was played in, over the last 30 days. Route is the order of countries visited; consecutive stops in the same country are shown once. Distance is the great-circle total between host cities, shown only when every stop in the window is geocoded. A rough fatigue signal, not a headline stat.
Common opponents
Results vs. opponents both players faced · Last 12 months
Kumstat has a higher win rate against shared opponents (80% vs Jianu's 40%).
| Opponent | Jianu | Kumstat |
|---|---|---|
| Sumit Nagal | L 36 46 | W 75 63 |
| Zdenek Kolar | L 36 62 36 | W 62 46 63 |
| Jakub Filip | W 46 61 63 | W 62 61 |
| Arthur Gea | L 67 46 | L 36 46 |
| Junzhang Fu | W 60 60 | W 67 76 75 |
Recent Form
Last five matches per player
Vladislav Melnic
M15 Bucharest · 1st Round
Aug 26
Jan Kumstat
Prague Challenger · Semifinals
Aug 21
Max Hans Rehberg
Prague Challenger · Quarterfinals
Aug 20
Rudolf Molleker
Prague Challenger · 2nd Round
Aug 19
Andrej Martin
Prague Challenger · 1st Round
Aug 18
Raul Brancaccio
Hamburg Challenger · 1st Round
Aug 10
Darwin Blanch
Wimbledon · 1st Round Qualifying
Jun 29
Lorenzo Sonego
Terra Wortmann Open · 1st Round Qualifying
Jun 13
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
Max Houkes
Hamburg Challenger · 2nd Round
Aug 13
Win rate
Matches, sets and games won · Last 12 months · 61–82 matches
| Metric | Jianu | Kumstat |
|---|---|---|
| Matches won | 68% | 69% |
| Sets won | 65% | 65% |
| Games won | 59% | 54% |
Record by tier
Head-to-head record by tournament tier
| Stage | Jianu | Kumstat |
|---|---|---|
| ATP Challenger Tour | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Jianu | Kumstat |
|---|---|---|
| Clay | 0 | 1 |
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