H2H data updated: 2026-07-18 14:16 UTC
Daniel Vacek vs Doug Flach H2H: 0-1
Doug Flach holds a 1–0 lead over Daniel Vacek in their ATP head-to-head. Across 1 main-draw meeting, Doug Flach leads 1–0 on grass. Most recently, Doug Flach won the 1998 Queen's Club second round 4-6 6-1 6-3.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
CZE
Age 55
Right-Handed
190 cm / 6'3"
H2H
0
–
1
1 main draw meetings
USA
Age 55
Right-Handed
183 cm / 6'0"
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Jun 10, 1998* | Queen's Club | ATP 250 | R64 | Grass | Doug Flach | 4-6 6-1 6-3 | Daniel Vacek | Match data |
* Estimated match date where the exact historical date is unavailable.
Career Comparison
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 | Finals | 500 | 250 | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daniel Vacek | #1,133 | #26 | 1,151 | 1,818 | 170 | 219 | 43.7% | 0 | 0 | 0 | 0 | 0 | 0 |
| Doug Flach | #788 | #108 | 415 | 1,629 | 28 | 46 | 37.8% | 0 | 0 | 0 | 0 | 0 | 0 |
Career Progression by Age
Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.
| Age | Daniel Vacek | Doug Flach | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 17 | — | — | — | — | — | — | — | 1988 | 1–1 | 50.0% | #577 | 1,517 | 0 | 0 |
| 20 | 1991 | 1–3 | 25.0% | #470 | 1,490 | 0 | 0 | — | — | — | — | — | — | — |
| 22 | 1993 | 13–22 | 37.1% | #114 | 1,560 | 0 | 0 | 1993 | 6–8 | 42.9% | #123 | 1,569 | 0 | 0 |
| 23 | 1994 | 25–27 | 48.1% | #45 | 1,711 | 0 | 0 | 1994 | 4–17 | 19.0% | #215 | 1,472 | 0 | 0 |
| 24 | 1995 | 30–31 | 49.2% | #27 | 1,794 | 0 | 0 | 1995 | 0–1 | 0.0% | #648 | 1,461 | 0 | 0 |
| 25 | 1996 | 22–28 | 44.0% | #71 | 1,694 | 0 | 0 | 1996 | 3–2 | 60.0% | #146 | 1,540 | 0 | 0 |
| 26 | 1997 | 19–26 | 42.2% | #53 | 1,669 | 0 | 0 | 1997 | 11–14 | 44.0% | #174 | 1,573 | 0 | 0 |
| 27 | 1998 | 25–29 | 46.3% | #50 | 1,672 | 0 | 0 | 1998 | 3–3 | 50.0% | #215 | 1,609 | 0 | 0 |
| 28 | 1999 | 29–31 | 48.3% | #43 | 1,744 | 0 | 0 | — | — | — | — | — | — | — |
| 29 | 2000 | 4–13 | 23.5% | #238 | 1,630 | 0 | 0 | — | — | — | — | — | — | — |
| 30 | 2001 | 2–7 | 22.2% | #393 | 1,595 | 0 | 0 | — | — | — | — | — | — | — |
| 31 | 2002 | 0–2 | 0.0% | #749 | 1,578 | 0 | 0 | — | — | — | — | — | — | — |