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 | 81% | 39/48 | 71% | 29/41 |
| Wins a set when losing | 37% | 10/27 | 38% | 6/16 |
| Goes to a deciding set | 25% | 19/75 | 32% | 18/57 |
| Covers −1.5 sets as favorite | 48% | 13/27 | 65% | 24/37 |
| Covers +1.5 sets as underdog | 57% | 8/14 | 67% | 12/18 |
| Tiebreak sets won | 38% | 5/13 | 58% | 11/19 |
| Wins after taking set 1 | 91% | 43/47 | 89% | 33/37 |
| Wins 2-0 after taking set 1 | 83% | 39/47 | 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: 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
💥 Big Hitter
Matchup analysis
The 💥 Big Hitter archetype wins about 55% vs ⚔️ The Gladiator across 1,349 matches in our dataset: a stylistic lean toward Jan Kumstat.
Big Hitter players often use power groundstrokes and high winner count 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 | 50% | 8/16 | 100% | 20/20 |
| 3 or more | 19% | 3/16 | 95% | 19/20 |
| 5 or more | 6% | 1/16 | 75% | 15/20 |
| 10 or more | 6% | 1/16 | 40% | 8/20 |
| 15 or more | 0% | 0/16 | 10% | 2/20 |
| 20 or more | 0% | 0/16 | 5% | 1/20 |
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 | 3–8 | 19–2 |
| Avg odds | 2.70 | 1.63 |
| ROI % | -56.5% | +43.5% |
| Units P/L | -6.22u | +9.14u |
Travel
Last 30 days
| Metric | Jianu | Kumstat |
|---|---|---|
| Countries | 2 | — |
| Events | 2 | — |
| Matches | 2 | — |
| Distance | 910 mi · 1,465 km | — |
| Route | POL → BUL | — |
Host country from each tournament in the last 30 days, including the current event even when a player arrived on a bye. 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 (60% vs Jianu's 40%).
| Opponent | Jianu | Kumstat |
|---|---|---|
| Vitaliy Sachko | L 36 16 | L 75 06 36 |
| Henri Squire | W | W 63 61 |
| 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 |
Recent Form
Last five matches per player
Duje Ajdukovic
Braga Challenger · 1st Round
Oct 5
Radu David Turcanu
M25 Slobozia · Quarterfinals
Oct 2
Matei Todoran
M25 Slobozia · 2nd Round
Oct 1
Mihai Razvan Marinescu
M25 Slobozia · 1st Round
Sep 29
Ivan Ivanov
Plovdiv 4 Challenger · 1st Round
Sep 22
Vitaliy Sachko
Szczecin Challenger · 1st Round
Sep 15
Juan Manuel La Serna
Tulln Challenger · 1st Round
Sep 8
Johan Nikles
Como Challenger · 2nd Round
Sep 3
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 · 58–75 matches
| Metric | Jianu | Kumstat |
|---|---|---|
| Matches won | 64% | 71% |
| Sets won | 63% | 66% |
| Games won | 58% | 55% |
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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