H2H data updated: 2026-07-18 14:16 UTC
Jan Vacek vs Jaime Oncins H2H: 1-0
Jan Vacek holds a 1–0 lead over Jaime Oncins in their ATP head-to-head. Across 1 main-draw meeting, Jan Vacek leads 1–0 on hard courts. Most recently, Jan Vacek won the 2001 Costa Do Sauipe third round 2-6 7-6(2) 6-2.
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CZE
Age 50
Right-Handed
198 cm / 6'6"
H2H
1
–
0
1 main draw meetings
BRA
Age 56
Right-Handed
196 cm / 6'5"
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Sep 13, 2001* | Costa Do Sauipe | ATP 250 | R32 | Hard | Jan Vacek | 2-6 7-6(2) 6-2 | Jaime Oncins | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan Vacek | #1,155 | #61 | 646 | 1,640 | 30 | 59 | 33.7% | 0 | 0 | 0 | 0 | 1 | 1 |
| Jaime Oncins | #1,034 | #34 | 773 | 1,796 | 61 | 86 | 41.5% | 0 | 0 | 0 | 0 | 2 | 2 |
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 | Jan Vacek | Jaime Oncins | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| 19 | — | — | — | — | — | — | — | 1989 | 0–2 | 0.0% | #263 | 1,471 | 0 | 0 |
| 20 | — | — | — | — | — | — | — | 1990 | 0–4 | 0.0% | #113 | 1,443 | 0 | 0 |
| 21 | — | — | — | — | — | — | — | 1991 | 22–17 | 56.4% | #64 | 1,677 | 0 | 0 |
| 22 | — | — | — | — | — | — | — | 1992 | 24–18 | 57.1% | #48 | 1,765 | 0 | 2 |
| 23 | — | — | — | — | — | — | — | 1993 | 11–23 | 32.4% | #133 | 1,578 | 0 | 2 |
| 24 | — | — | — | — | — | — | — | 1994 | 1–7 | 12.5% | #230 | 1,502 | 0 | 2 |
| 25 | 2001 | 8–6 | 57.1% | #75 | 1,630 | 0 | 1 | 1995 | 1–2 | 33.3% | #222 | 1,505 | 0 | 2 |
| 26 | 2002 | 10–24 | 29.4% | #110 | 1,554 | 0 | 1 | 1996 | 0–2 | 0.0% | #160 | 1,488 | 0 | 2 |
| 27 | 2003 | 5–13 | 27.8% | #129 | 1,566 | 0 | 1 | 1997 | 0–6 | 0.0% | #166 | 1,436 | 0 | 2 |
| 28 | 2004 | 3–12 | 20.0% | #176 | 1,480 | 0 | 1 | 1998 | 1–2 | 33.3% | #223 | 1,448 | 0 | 2 |
| 29 | 2005 | 1–1 | 50.0% | #260 | 1,463 | 0 | 1 | — | — | — | — | — | — | — |
| 30 | 2006 | 1–1 | 50.0% | #298 | 1,490 | 0 | 1 | — | — | — | — | — | — | — |
| 31 | 2007 | 1–1 | 50.0% | #235 | 1,554 | 0 | 1 | 2001 | 0–1 | 0.0% | #1031 | 1,435 | 0 | 2 |
| 32 | 2008 | 1–1 | 50.0% | #563 | 1,593 | 0 | 1 | — | — | — | — | — | — | — |