H2H data updated: 2026-09-01 00:00 UTC
Compare the head-to-head record, career totals, season-by-season performance, and match log for Nicolas Devilder vs Boy Westerhof.
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| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Nicolas Devilder | 6-4 7-6(5) | Boy Westerhof | Match data | Aug 27, 2012 | Q1 | US Open | Grand Slam | Hard |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nicolas Devilder | #1,071 | #60 | 1,164 | 1,649 | 24 | 47 | 33.8% | 0 | 0 | 0 | 0 | 0 | 0 |
| Boy Westerhof | #838 | #201 | 246 | 1,518 | 0 | 1 | 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.
| Age | Nicolas Devilder | Boy Westerhof | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 24 | 2004 | 1–1 | 50.0% | #198 | 1,494 | 0 | 0 | — | — | — | — | — | — | — |
| 25 | 2005 | 2–2 | 50.0% | #173 | 1,502 | 0 | 0 | — | — | — | — | — | — | — |
| 26 | 2006 | 1–2 | 33.3% | #95 | 1,467 | 0 | 0 | — | — | — | — | — | — | — |
| 27 | 2007 | 10–15 | 40.0% | #115 | 1,538 | 0 | 0 | 2013 | 0–1 | 0.0% | #236 | 1,491 | 0 | 0 |
| 28 | 2008 | 4–11 | 26.7% | #73 | 1,529 | 0 | 0 | — | — | — | — | — | — | — |
| 29 | 2009 | 4–14 | 22.2% | #225 | 1,499 | 0 | 0 | — | — | — | — | — | — | — |
| 31 | 2011 | 0–1 | 0.0% | #356 | 1,544 | 0 | 0 | — | — | — | — | — | — | — |
| 32 | 2012 | 2–1 | 66.7% | #204 | 1,631 | 0 | 0 | — | — | — | — | — | — | — |
Seasons are aligned by the age each player spent most of that calendar year. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.
| Age | Nicolas Devilder | Boy Westerhof | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Hard | Clay | Grass | Yr | Hard | Clay | Grass | |||||||||||||||||||
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | |||
| 24 | 2004 | — | — | — | — | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 25 | 2005 | 1 | 1 | 2 | 50.0% | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 26 | 2006 | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 27 | 2007 | 1 | 3 | 4 | 25.0% | 8 | 10 | 18 | 44.4% | 1 | 2 | 3 | 33.3% | 2013 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 28 | 2008 | 1 | 6 | 7 | 14.3% | 3 | 5 | 8 | 37.5% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 29 | 2009 | 1 | 4 | 5 | 20.0% | 2 | 8 | 10 | 20.0% | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 31 | 2011 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 32 | 2012 | — | — | — | — | 2 | 1 | 3 | 66.7% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 5 | 16 | 21 | 23.8% | 17 | 27 | 44 | 38.6% | 2 | 4 | 6 | 33.3% | — | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — |
Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 70/71 of Nicolas Devilder's and 1/1 of Boy Westerhof's main draw matches. Sample is shown as matches with detailed serve and return statistics / total main draw matches. Bold green marks the stronger value when both stat samples contain at least 5 matches; lower is better for DFs/M.
| Age | Nicolas Devilder | Boy Westerhof | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Sample | Aces/M | DFs/M | 1st Sv% | 1st Pts% | 2nd Pts% | BP Saved% | BP Conv% | Svc Pts% | Ret Pts% | Yr | Sample | Aces/M | DFs/M | 1st Sv% | 1st Pts% | 2nd Pts% | BP Saved% | BP Conv% | Svc Pts% | Ret Pts% | |
| 24 | 2004 | 2/2 | 2.0 | 3.0 | 68.1% | 74.6% | 48.9% | 58.3% | 33.3% | 69.6% | 34.7% | — | —/— | — | — | — | — | — | — | — | — | — |
| 25 | 2005 | 3/4 | 2.7 | 4.3 | 59.5% | 61.1% | 49.2% | 42.9% | 52.4% | 56.0% | 31.1% | — | —/— | — | — | — | — | — | — | — | — | — |
| 26 | 2006 | 3/3 | 3.3 | 3.0 | 58.1% | 62.2% | 42.8% | 56.5% | 25.5% | 54.1% | 34.8% | — | —/— | — | — | — | — | — | — | — | — | — |
| 27 | 2007 | 25/25 | 3.8 | 2.3 | 60.1% | 65.1% | 49.5% | 54.7% | 46.0% | 58.5% | 36.3% | 2013 | 1/1 | 1.0 | 2.0 | 48.1% | 56.0% | 29.6% | 44.4% | 25.0% | 42.3% | 37.5% |
| 28 | 2008 | 15/15 | 3.6 | 4.2 | 57.0% | 64.8% | 45.5% | 55.4% | 36.2% | 56.7% | 37.1% | — | —/— | — | — | — | — | — | — | — | — | — |
| 29 | 2009 | 18/18 | 4.6 | 4.1 | 60.2% | 65.2% | 52.4% | 60.9% | 30.2% | 60.0% | 37.3% | — | —/— | — | — | — | — | — | — | — | — | — |
| 31 | 2011 | 1/1 | 2.0 | 0.0 | 56.9% | 48.5% | 36.0% | 45.5% | 37.5% | 43.1% | 40.4% | — | —/— | — | — | — | — | — | — | — | — | — |
| 32 | 2012 | 3/3 | 3.0 | 1.0 | 52.9% | 64.7% | 51.2% | 52.6% | 54.8% | 58.8% | 47.9% | — | —/— | — | — | — | — | — | — | — | — | — |
| Career | — | 70/71 | 3.8 | 3.2 | 59.2% | 64.8% | 48.9% | 55.9% | 39.1% | 58.3% | 37.0% | — | 1/1 | 1.0 | 2.0 | 48.1% | 56.0% | 29.6% | 44.4% | 25.0% | 42.3% | 37.5% |
Seasons are aligned by the age each player spent most of that calendar year. 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.
| Age | Nicolas Devilder | Boy Westerhof | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | |
| 21 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2007 | 1504 | 103.0 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 24 | 2004 | 1495 | 103.9 | -4.84 | +1.24 | 1.142 | 51.6% | — | — | — | 50.0% | +0.50 | 1–1 | — | — | +0.21 | 2010 | 1500 | 94.9 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 25 | 2005 | 1503 | 106.6 | -0.72 | -0.40 | 0.707 | 44.0% | — | — | — | 44.4% | -1.00 | 1–0 | 1–1 | — | -0.08 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 26 | 2006 | 1467 | 98.2 | -2.46 | -2.13 | 0.759 | 45.0% | +36 | — | — | 28.6% | -1.29 | 1–0 | — | — | +0.44 | 2012 | 1490 | 96.4 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 27 | 2007 | 1538 | 115.9 | -3.10 | -0.40 | 0.875 | 47.8% | -63 | +28 | -41 | 37.1% | -0.87 | 4–3 (57%) | 4–3 (57%) | — | +0.27 | 2013 | 1492 | 101.2 | -1.89 | -0.25 | 0.650 | 39.8% | — | — | — | 0.0% | -4.00 | — | — | — | +0.07 |
| 28 | 2008 | 1530 | 114.4 | -3.99 | +0.03 | 0.858 | 47.2% | -95 | +76 | — | 33.3% | -0.89 | 0–1 | 0–4 (0%) | — | +0.27 | 2014 | 1454 | 99.9 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 29 | 2009 | 1500 | 119.3 | -2.36 | -0.97 | 0.932 | 48.7% | -76 | +38 | +30 | 31.3% | -0.90 | 1–5 (17%) | 3–5 (38%) | — | +0.53 | 2015 | 1435 | 97.6 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 30 | 2010 | 1519 | 109.2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 31 | 2011 | 1545 | 106.7 | -3.36 | +0.14 | 0.710 | 41.8% | — | — | — | 0.0% | -3.00 | — | — | — | -0.05 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 32 | 2012 | 1631 | 118.6 | +0.47 | +2.46 | 1.162 | 53.2% | — | +80 | — | 66.7% | +0.89 | — | 1–0 | — | +0.26 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 33 | 2013 | 1608 | 101.1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1650 | 117.5 | -2.87 | -0.35 | 0.887 | 47.8% | -63 | +44 | -6 | 36.3% | -0.79 | 8–10 (44%) | 9–13 (41%) | 98.0 | +2.61 | — | 1519 | 98.0 | -1.89 | -0.25 | 0.650 | 39.8% | — | — | — | 0.0% | -4.00 | — | — | — | +7.00 |
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 |
|---|---|---|---|---|---|
| Albert Montanes | 0 | 3 | 3 | Aug 19, 2008 | H2H |
| Michael Berrer | 1 | 1 | 2 | May 31, 2012 | H2H |
| Nicolas Lapentti | 1 | 1 | 2 | Jun 24, 2009 | H2H |
| Christophe Rochus | 0 | 2 | 2 | May 7, 2009 | H2H |
| Chris Guccione | 1 | 1 | 2 | Jan 21, 2009 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Aljaz Bedene | 0 | 1 | 1 | Jul 25, 2013 | H2H |