Sammy Guinau vs Stian KlaassenPrediction, Head-to-Head Results, and Stats
Sammy Guinau and Stian Klaassen have met 1 time since 2026; Stian Klaassen leads 1–0. Across all meetings Guinau has taken 0 sets to Klaassen's 2. Their most recent meeting: Stian Klaassen won at M15 Eupen (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Guinau | Klaassen | ||
|---|---|---|---|---|
| Indicator | Sammy Guinau | Stian Klaassen | ||
| Wins in straight sets | 33% | 1/3 | 89% | 8/9 |
| Wins a set when losing | 30% | 3/10 | 38% | 3/8 |
| Goes to a deciding set | 38% | 5/13 | 24% | 4/17 |
| Covers −1.5 sets as favorite | — | 63% | 5/8 | |
| Covers +1.5 sets as underdog | 0% | 0/4 | 71% | 5/7 |
| Tiebreak sets won | 67% | 2/3 | 50% | 1/2 |
| Wins after taking set 1 | 50% | 1/2 | 82% | 9/11 |
| Wins 2-0 after taking set 1 | 50% | 1/2 | 73% | 8/11 |
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 (Guinau 0, Klaassen 1).
Previous meetings
1 career meeting, newest first
Aug 2, 2026
M15 Eupen
C Clay · 1st Round Qualifying
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Guinau | Klaassen |
|---|---|---|
| W-L | 0–1 | 3–4 |
| Avg odds | 2.61 | 1.71 |
| ROI % | -100.0% | -37.7% |
| Units P/L | -1.00u | -2.64u |
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
Across 1 shared opponent, both Guinau and Klaassen posted a 100% win rate.
| Opponent | Guinau | Klaassen |
|---|---|---|
| Henry De Keulenaer | W 62 46 105 | W 60 61 |
Recent Form
Last five matches per player
Karim Al Amin
M15 Haren · 2nd Round Qualifying
Sep 1
Steffan Van Weldam
M25 Oldenzaal · 3rd Round Qualifying
Aug 25
Henry De Keulenaer
M25 Oldenzaal · 1st Round Qualifying
Aug 23
Stian Klaassen
M15 Eupen · 1st Round Qualifying
Aug 2
Neo Niedner
M15 Uslar · 1st Round Qualifying
Jul 13
Mateya Stanisavljevic
M25 The Hague · 3rd Round Qualifying
Jul 6
Marko Knezevic
Futures 2026
Jul 5
Marko Knezevic
M25 The Hague · 1st Round Qualifying
Jul 5
Emilien Demanet
M25 Oldenzaal · 2nd Round
Aug 27
Gray Voelzke
M25 Oldenzaal · 1st Round
Aug 26
Noah Schlagenhauf
M15 Lambermont · 1st Round
Aug 19
Arvid Nordquist
M15 Turku · 1st Round
Aug 11
Benoit Torcq
M15 Eupen · 2nd Round
Aug 6
Marlon Vankan
M15 Eupen · 1st Round
Aug 5
Bjorn Schoemacher
M15 Eupen · 3rd Round Qualifying
Aug 4
Christopher Patzanovsky
M15 Eupen · 2nd Round Qualifying
Aug 3
Win rate
Matches, sets and games won · Last 12 months · 13–17 matches
| Metric | Guinau | Klaassen |
|---|---|---|
| Matches won | 23% | 53% |
| Sets won | 29% | 55% |
| Games won | 44% | 52% |
Record by tier
Head-to-head record by tournament tier
| Stage | Guinau | Klaassen |
|---|---|---|
| ITF M15 | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Guinau | Klaassen |
|---|---|---|
| Clay | 0 | 1 |
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