H2H data updated: 2026-07-20 14:15 UTC
Jaime Oncins vs Lars Koslowski H2H: 1-0
Jaime Oncins holds a 1–0 lead over Lars Koslowski in their ATP head-to-head. Across 1 main-draw meeting, Jaime Oncins leads 1–0 on clay. Most recently, Jaime Oncins won the 1992 Bologna quarterfinal 7-6(1) 7-5.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
BRA
Age 56
Right-Handed
196 cm / 6'5"
H2H
1
–
0
1 main draw meetings
GER
Age 55
Right-Handed
188 cm / 6'2"
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| May 23, 1992* | Bologna | ATP 250 | QF | Clay | Jaime Oncins | 7-6(1) 7-5 | Lars Koslowski | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jaime Oncins | #1,034 | #34 | 773 | 1,796 | 61 | 86 | 41.5% | 0 | 0 | 0 | 0 | 2 | 2 |
| Lars Koslowski | #1,378 | #63 | 576 | 1,658 | 17 | 28 | 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 | Jaime Oncins | Lars Koslowski | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 18 | 1988 | 1–2 | 33.3% | #314 | 1,493 | 0 | 0 | 1989 | 1–1 | 50.0% | #520 | 1,512 | 0 | 0 |
| 19 | 1989 | 0–2 | 0.0% | #263 | 1,471 | 0 | 0 | — | — | — | — | — | — | — |
| 20 | 1990 | 0–4 | 0.0% | #113 | 1,443 | 0 | 0 | 1991 | 4–2 | 66.7% | #89 | 1,589 | 0 | 0 |
| 21 | 1991 | 22–17 | 56.4% | #64 | 1,677 | 0 | 0 | 1992 | 10–20 | 33.3% | #116 | 1,520 | 0 | 0 |
| 22 | 1992 | 24–18 | 57.1% | #48 | 1,765 | 0 | 2 | 1993 | 2–5 | 28.6% | #252 | 1,511 | 0 | 0 |
| 23 | 1993 | 11–23 | 32.4% | #133 | 1,578 | 0 | 2 | — | — | — | — | — | — | — |
| 24 | 1994 | 1–7 | 12.5% | #230 | 1,502 | 0 | 2 | — | — | — | — | — | — | — |
| 25 | 1995 | 1–2 | 33.3% | #222 | 1,505 | 0 | 2 | — | — | — | — | — | — | — |
| 26 | 1996 | 0–2 | 0.0% | #160 | 1,488 | 0 | 2 | — | — | — | — | — | — | — |
| 27 | 1997 | 0–6 | 0.0% | #166 | 1,436 | 0 | 2 | — | — | — | — | — | — | — |
| 28 | 1998 | 1–2 | 33.3% | #223 | 1,448 | 0 | 2 | — | — | — | — | — | — | — |
| 31 | 2001 | 0–1 | 0.0% | #1031 | 1,435 | 0 | 2 | — | — | — | — | — | — | — |