H2H data updated: 2026-07-14 14:15 UTC
D. Flach vs L. Koslowski H2H: 1-0
D. Flach leads L. Koslowski 1–0 in 1 ATP main-draw meeting. D. Flach's record is 1–0 on hard courts. Their latest meeting was at Tokyo Outdoor in 1993, where D. Flach won 7-5 6-1.
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USA
Age 55
Right-Handed
183 cm / 6'0"
H2H
1
–
0
1 main draw meetings
GER
Age 55
Right-Handed
188 cm / 6'2"
Career Comparison
| Metric | D. Flach | L. Koslowski |
|---|---|---|
| Peak Ranking | #108 | #63 |
| Peak Points | 415 | 576 |
| Peak Elo | 1,629 | 1,658 |
| Singles W-L | 28–46 | 17–28 |
| Win % | 37.8% | 37.8% |
| Grand Slam titles | 0 | 0 |
| Masters 1000 titles | 0 | 0 |
| ATP Finals titles | 0 | 0 |
| ATP 500 titles | 0 | 0 |
| ATP 250 titles | 0 | 0 |
| Total titles | 0 | 0 |
| Age | D. Flach | L. Koslowski | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | W-L | Win % | Rank | Elo | GS | Titles | Season | W-L | Win % | Rank | Elo | GS | Titles | |
| 17 | 1988 | 1–1 | 50.0% | #577 | 1,517 | 0 | 0 | — | — | — | — | — | — | — |
| 18 | — | — | — | — | — | — | — | 1989 | 1–1 | 50.0% | #520 | 1,512 | 0 | 0 |
| 20 | — | — | — | — | — | — | — | 1991 | 4–2 | 66.7% | #89 | 1,589 | 0 | 0 |
| 21 | — | — | — | — | — | — | — | 1992 | 10–20 | 33.3% | #116 | 1,520 | 0 | 0 |
| 22 | 1993 | 6–8 | 42.9% | #123 | 1,569 | 0 | 0 | 1993 | 2–5 | 28.6% | #252 | 1,511 | 0 | 0 |
| 23 | 1994 | 4–17 | 19.0% | #215 | 1,472 | 0 | 0 | — | — | — | — | — | — | — |
| 24 | 1995 | 0–1 | 0.0% | #648 | 1,461 | 0 | 0 | — | — | — | — | — | — | — |
| 25 | 1996 | 3–2 | 60.0% | #146 | 1,540 | 0 | 0 | — | — | — | — | — | — | — |
| 26 | 1997 | 11–14 | 44.0% | #174 | 1,573 | 0 | 0 | — | — | — | — | — | — | — |
| 27 | 1998 | 3–3 | 50.0% | #215 | 1,609 | 0 | 0 | — | — | — | — | — | — | — |
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Apr 7, 1993* | Tokyo Outdoor | ATP 250 | R64 | Hard | D. Flach | 7-5 6-1 | L. Koslowski | Match data |