Klara Kosan vs Tia MesserliPrediction, Head-to-Head Results, and Stats
Klara Kosan and Tia Messerli have met 1 time since 2026; Tia Messerli leads 1–0. Across all meetings Kosan has taken 1 sets to Messerli's 2. Their most recent meeting: Tia Messerli won at W15 Los Angeles (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Kosan | Messerli | ||
|---|---|---|---|---|
| Indicator | Klara Kosan | Tia Messerli | ||
| Wins in straight sets | 100% | 2/2 | 60% | 3/5 |
| Wins a set when losing | 56% | 5/9 | 11% | 1/9 |
| Goes to a deciding set | 45% | 5/11 | 21% | 3/14 |
| Covers −1.5 sets as favorite | 25% | 1/4 | 33% | 1/3 |
| Covers +1.5 sets as underdog | 50% | 3/6 | 44% | 4/9 |
| Tiebreak sets won | 0% | 0/1 | 40% | 2/5 |
| Wins after taking set 1 | 29% | 2/7 | 100% | 4/4 |
| Wins 2-0 after taking set 1 | 29% | 2/7 | 75% | 3/4 |
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 (Kosan 0, Messerli 0).
Previous meetings
1 career meeting, newest first
Jun 10, 2026
W15 Los Angeles
H Hard · 1st Round
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Kosan | Messerli | ||
|---|---|---|---|---|
| Outcome | Klara Kosan | Tia Messerli | ||
| 1 or more | 100% | 5/5 | 20% | 1/5 |
| 3 or more | 40% | 2/5 | 0% | 0/5 |
| 5 or more | 0% | 0/5 | 0% | 0/5 |
| 10 or more | 0% | 0/5 | 0% | 0/5 |
| 15 or more | 0% | 0/5 | 0% | 0/5 |
| 20 or more | 0% | 0/5 | 0% | 0/5 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Kosan | Messerli |
|---|---|---|
| W-L | 1–4 | 1–4 |
| Avg odds | 2.21 | 5.10 |
| ROI % | -26.8% | -21.6% |
| Units P/L | -1.34u | -1.08u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Recent Form
Last five matches per player
Caroline Driscoll
W15 Claremont · 1st Round
Jun 24
S M Webster
Irvine ITF · Round of 32
Jun 16
Sophia Webster
W15 Irvine · 1st Round
Jun 16
Tia Messerli
W15 Los Angeles · 1st Round
Jun 10
Jo Yee Chan
W15 Lakewood · 2nd Round
Jun 4
Capucine Jauffret
W15 Lakewood · 1st Round
Jun 2
Jaedan Brown
W15 Lakewood · 1st Round
May 27
Dasha Ivanova
W15 Victoriaville 1 · 2nd Round
Mar 12
Avery Nguyen
W15 Claremont · 1st Round
Jun 24
Monika Ekstrand
W15 Irvine · 1st Round
Jun 17
Monika Ekstrand
W15 Los Angeles · 2nd Round
Jun 11
Klara Kosan
W15 Los Angeles · 1st Round
Jun 10
Thara Gowda
W15 Lakewood · 1st Round
Jun 3
Darja Suvirdjonkova
W15 Gaborone · 2nd Round
May 14
Kuzivaishe Chapepa
W15 Gaborone · 1st Round
May 12
Maayan Laron
W15 Mbombela · 2nd Round
May 7
Win rate
Matches, sets and games won · Last 12 months · 11–14 matches
| Metric | Kosan | Messerli |
|---|---|---|
| Matches won | 18% | 36% |
| Sets won | 33% | 35% |
| Games won | 42% | 43% |
Record by tier
Head-to-head record by tournament tier
| Stage | Kosan | Messerli |
|---|---|---|
| ITF W15 | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Kosan | Messerli |
|---|---|---|
| Hard | 0 | 1 |
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