H2H data updated: 2026-09-02 00:00 UTC
Compare the head-to-head record, career totals, season-by-season performance, and match log for Jan Vacek vs Robert Chambers.
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| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Jan Vacek | 6-1 6-1 | Robert Chambers | Match data | Jun 18, 2007 | Q1 | Eastbourne Open | International Series → modern equivalent ATP 250 | Grass |
1 qualifying meeting shown in the table; qualifying is excluded from the H2H score. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 including documented historical predecessor categories | Finals | 500 including documented historical predecessor categories | 250 including documented historical predecessor categories | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan Vacek | #1,155 | #61 | 646 | 1,640 | 30 | 59 | 33.7% | 0 | 0 | 0 | 0 | 1 | 1 |
| Robert Chambers | — | — | — | 1,500 | 0 | 0 | — | 0 | 0 | 0 | 0 | 0 | 0 |
Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.
| Jan Vacek | Robert Chambers | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 2001 | 8–6 | 57.1% | #75 | 1,630 | 0 | 1 | — | — | — | — | — | — | — |
| 2002 | 10–24 | 29.4% | #110 | 1,552 | 0 | 1 | — | — | — | — | — | — | — |
| 2003 | 5–13 | 27.8% | #129 | 1,566 | 0 | 1 | — | — | — | — | — | — | — |
| 2004 | 3–12 | 20.0% | #176 | 1,480 | 0 | 1 | — | — | — | — | — | — | — |
| 2005 | 1–1 | 50.0% | #260 | 1,463 | 0 | 1 | — | — | — | — | — | — | — |
| 2006 | 1–1 | 50.0% | #298 | 1,489 | 0 | 1 | — | — | — | — | — | — | — |
| 2007 | 1–1 | 50.0% | #235 | 1,553 | 0 | 1 | — | — | — | — | — | — | — |
| 2008 | 1–1 | 50.0% | #563 | 1,593 | 0 | 1 | — | — | — | — | — | — | — |
Rows are aligned in career order because complete birth data is unavailable. Metrics are precomputed from eligible main-draw results; point-stat values use the available detailed sample. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.
| Jan Vacek | Robert Chambers | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule | Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule |
| 2000 | 1484 | 97.9 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2007 | 1484 | 94.3 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2001 | 1630 | 116.6 | -0.42 | -0.21 | 0.985 | 49.3% | +23 | -115 | — | 48.7% | -0.31 | 6–1 (86%) | 6–3 (67%) | — | +0.77 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2002 | 1553 | 117.1 | -1.69 | -2.23 | 0.877 | 47.9% | -35 | -78 | +72 | 34.1% | -0.94 | 3–9 (25%) | 5–3 (63%) | — | -0.04 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2003 | 1566 | 124.4 | -2.06 | -1.73 | 0.846 | 46.9% | -78 | — | +148 | 33.3% | -1.09 | 2–4 (33%) | 1–2 (33%) | — | -1.22 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2004 | 1480 | 108.1 | -2.52 | -3.37 | 0.758 | 45.6% | +9 | +2 | +122 | 23.7% | -1.55 | 1–1 | 0–4 (0%) | — | +0.51 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2005 | 1463 | 101.9 | -0.51 | +0.49 | 1.286 | 55.2% | — | — | — | 50.0% | +1.75 | — | 0–2 | — | +0.11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2006 | 1490 | 103.0 | -0.56 | -0.98 | 0.981 | 49.8% | — | — | — | 50.0% | -0.17 | 1–1 | 1–1 | — | -0.08 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2007 | 1554 | 115.4 | +0.01 | -0.65 | 0.809 | 46.6% | — | — | — | 50.0% | -1.00 | — | 1–0 | — | -0.15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2008 | 1593 | 119.8 | +1.96 | +2.19 | 0.832 | 48.1% | — | — | — | 40.0% | -0.20 | 1–0 | — | — | -0.03 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 1640 | 120.6 | -1.54 | -1.77 | 0.874 | 47.7% | -28 | -69 | +109 | 35.8% | -0.88 | 14–16 (47%) | 14–15 (48%) | 101.6 | -0.15 | Career | 1500 | 97.0 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Paradorn Srichaphan | 0 | 3 | 3 | Jun 17, 2005 | H2H |
| Sjeng Schalken | 0 | 3 | 3 | Jul 3, 2002 | H2H |
| Flavio Saretta | 1 | 1 | 2 | Oct 6, 2004 | H2H |
| Antony Dupuis | 1 | 1 | 2 | Jul 8, 2004 | H2H |
| Juan Carlos Ferrero | 0 | 2 | 2 | Apr 16, 2004 | H2H |
No career rivalry data available.