J
Jan Kumstat
CZE · Active 2022–2025
#606
Ranking
#606
Best Rank
6–11
Win–Loss
35.3%
6–4
Last 10
6–11
Last 20
Record by Surface
Clay
3–730.0%
Hard
3–442.9%
Career Averages
1st Serve %50.8%
1st Srv Pts Won67.4
2nd Srv Pts Won43.7
BP Saved %49.2%
BP Converted %38.5%
Return Pts Won37.8
Avg Aces4.4
Avg DFs3.2
Serve Rating220.4
Return Rating137.0
Career Splits
| W-L | Win% | SPW | RPW | DR | 1st% | BPS% | BPC% | |
|---|---|---|---|---|---|---|---|---|
| Surface | ||||||||
| Clay | 3–7 | 30% | 52.1% | 39.4% | 0.86 | 47.7% | 49.5% | 35.1% |
| Hard | 3–4 | 42.9% | 61.7% | 35.3% | 0.95 | 55.8% | 48.6% | 45.7% |
| Tournament Level | ||||||||
| Other | 6–11 | 35.3% | 55.8% | 37.8% | 0.9 | 50.8% | 49.2% | 38.5% |
| Format | ||||||||
| Best of 3 | 6–11 | 35.3% | 55.8% | 37.8% | 0.9 | 50.8% | 49.2% | 38.5% |