H2H data updated: 2026-09-05 00:00 UTC
Santiago Ventura holds a 1–0 lead over Daniel Koellerer in their ATP head-to-head. Across 1 main-draw meeting, Santiago Ventura leads 1–0 on clay. Most recently, Santiago Ventura won the 2010 Argentina Open first round 6-4 6-2.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Santiago Ventura | 6-4 6-2 | Daniel Koellerer | Match data | Feb 18, 2010* | R32 | Argentina Open | ATP 250 | Clay |
Estimated match date where the exact historical date is unavailable. 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Santiago Ventura | #1,034 | #65 | 814 | 1,701 | 38 | 59 | 39.2% | 0 | 0 | 0 | 0 | 1 | 1 |
| Daniel Koellerer | #385 | #55 | 904 | 1,653 | 19 | 34 | 35.8% | 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.
| Santiago Ventura | Daniel Koellerer | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 2004 | 8–2 | 80.0% | #104 | 1,591 | 0 | 1 | 2003 | 0–1 | 0.0% | #180 | 1,475 | 0 | 0 |
| 2005 | 9–18 | 33.3% | #146 | 1,507 | 0 | 1 | 2004 | 2–1 | 66.7% | #205 | 1,521 | 0 | 0 |
| 2006 | 1–2 | 33.3% | #423 | 1,479 | 0 | 1 | 2005 | 1–2 | 33.3% | #147 | 1,508 | 0 | 0 |
| 2007 | 4–2 | 66.7% | #87 | 1,545 | 0 | 1 | 2007 | 1–1 | 50.0% | #165 | 1,540 | 0 | 0 |
| 2008 | 8–16 | 33.3% | #123 | 1,525 | 0 | 1 | 2008 | 1–2 | 33.3% | #125 | 1,525 | 0 | 0 |
| 2009 | 5–8 | 38.5% | #109 | 1,689 | 0 | 1 | 2009 | 10–17 | 37.0% | #71 | 1,616 | 0 | 0 |
| 2010 | 3–11 | 21.4% | #227 | 1,565 | 0 | 1 | 2010 | 4–10 | 28.6% | #272 | 1,541 | 0 | 0 |
Rows are aligned in career order because complete birth data is unavailable. 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.
| Santiago Ventura | Daniel Koellerer | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 % | ||
| 2004 | — | — | — | — | 8 | 2 | 10 | 80.0% | — | — | — | — | 2003 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 2005 | 1 | 4 | 5 | 20.0% | 8 | 11 | 19 | 42.1% | 0 | 3 | 3 | 0.0% | 2004 | — | — | — | — | 2 | 1 | 3 | 66.7% | — | — | — | — |
| 2006 | — | — | — | — | 1 | 2 | 3 | 33.3% | — | — | — | — | 2005 | — | — | — | — | 1 | 2 | 3 | 33.3% | — | — | — | — |
| 2007 | — | — | — | — | 4 | 2 | 6 | 66.7% | — | — | — | — | 2007 | — | — | — | — | 1 | 1 | 2 | 50.0% | — | — | — | — |
| 2008 | 0 | 4 | 4 | 0.0% | 8 | 11 | 19 | 42.1% | 0 | 1 | 1 | 0.0% | 2008 | — | — | — | — | 1 | 2 | 3 | 33.3% | — | — | — | — |
| 2009 | 0 | 2 | 2 | 0.0% | 5 | 5 | 10 | 50.0% | 0 | 1 | 1 | 0.0% | 2009 | 4 | 7 | 11 | 36.4% | 6 | 7 | 13 | 46.2% | 0 | 3 | 3 | 0.0% |
| 2010 | 0 | 1 | 1 | 0.0% | 3 | 8 | 11 | 27.3% | 0 | 2 | 2 | 0.0% | 2010 | 3 | 5 | 8 | 37.5% | 1 | 4 | 5 | 20.0% | 0 | 1 | 1 | 0.0% |
| Career | 1 | 11 | 12 | 8.3% | 37 | 41 | 78 | 47.4% | 0 | 7 | 7 | 0.0% | Career | 7 | 12 | 19 | 36.8% | 12 | 18 | 30 | 40.0% | 0 | 4 | 4 | 0.0% |
Rows are aligned in career order because complete birth data is unavailable. Detailed serve and return statistics available for 96/97 of Santiago Ventura's and 53/53 of Daniel Koellerer'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.
| Santiago Ventura | Daniel Koellerer | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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% |
| 2004 | 9/10 | 4.1 | 3.2 | 51.4% | 72.1% | 51.3% | 67.0% | 46.0% | 61.3% | 41.9% | 2003 | 1/1 | 1.0 | 2.0 | 67.9% | 58.3% | 35.3% | 42.9% | 50.0% | 50.9% | 33.9% |
| 2005 | 27/27 | 3.7 | 2.7 | 54.9% | 65.6% | 43.6% | 50.7% | 44.3% | 55.8% | 36.7% | 2004 | 3/3 | 0.3 | 1.3 | 71.5% | 61.8% | 55.8% | 55.4% | 39.9% | 60.0% | 44.5% |
| 2006 | 3/3 | 1.7 | 1.0 | 61.2% | 61.5% | 57.1% | 55.7% | 41.4% | 60.1% | 34.3% | 2005 | 3/3 | 2.7 | 1.0 | 74.7% | 65.9% | 55.9% | 62.0% | 32.5% | 62.8% | 36.5% |
| 2007 | 6/6 | 2.8 | 3.7 | 47.5% | 75.3% | 47.0% | 44.1% | 63.0% | 60.5% | 40.4% | 2007 | 2/2 | 1.5 | 3.5 | 52.0% | 68.9% | 52.1% | 16.7% | 46.8% | 60.8% | 49.5% |
| 2008 | 24/24 | 4.4 | 3.5 | 53.1% | 66.9% | 46.7% | 55.6% | 35.6% | 56.9% | 36.9% | 2008 | 3/3 | 1.0 | 2.3 | 70.0% | 59.2% | 54.6% | 36.7% | 39.4% | 57.0% | 35.1% |
| 2009 | 13/13 | 3.4 | 2.7 | 59.4% | 69.2% | 44.9% | 55.4% | 47.0% | 59.6% | 39.6% | 2009 | 27/27 | 1.8 | 1.9 | 69.3% | 64.3% | 49.6% | 56.9% | 46.2% | 59.8% | 35.7% |
| 2010 | 14/14 | 3.8 | 3.6 | 55.2% | 64.7% | 45.0% | 55.5% | 46.4% | 55.8% | 32.8% | 2010 | 14/14 | 1.5 | 1.9 | 65.6% | 62.1% | 42.1% | 48.7% | 50.1% | 54.4% | 33.2% |
| Career | 96/97 | 3.8 | 3.1 | 54.5% | 67.4% | 46.1% | 54.5% | 44.0% | 57.5% | 37.2% | Career | 53/53 | 1.6 | 1.9 | 68.1% | 63.5% | 48.4% | 52.0% | 45.8% | 58.3% | 36.0% |
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.
| Santiago Ventura | Daniel Koellerer | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| 2004 | 1592 | 112.7 | -1.05 | +0.83 | 1.083 | 51.8% | — | +69 | — | 72.7% | +1.00 | 2–0 | 2–0 | — | +0.65 | 2003 | 1475 | 97.7 | -1.06 | -0.96 | 0.692 | 42.2% | — | — | — | 0.0% | -3.50 | — | — | — | +0.03 |
| 2005 | 1507 | 112.4 | -5.17 | -1.11 | 0.831 | 46.5% | -4 | +77 | -15 | 34.3% | -0.89 | 6–2 (75%) | 0–4 (0%) | 101.6 | +1.05 | 2004 | 1521 | 101.4 | -2.70 | +2.78 | 1.113 | 51.9% | — | +33 | — | 55.6% | +0.34 | 2–1 (67%) | — | — | +0.12 |
| 2006 | 1479 | 99.0 | -0.98 | -3.56 | 0.859 | 47.8% | — | +75 | — | 37.5% | -0.88 | 1–1 | — | — | +0.29 | 2005 | 1509 | 104.8 | -1.67 | -1.99 | 0.982 | 49.7% | — | +25 | — | 37.5% | -0.87 | 1–1 | 1–1 | — | -0.08 |
| 2007 | 1546 | 116.0 | +0.19 | +0.29 | 1.024 | 50.8% | — | +56 | — | 60.0% | +0.13 | 2–1 (67%) | 2–1 (67%) | 103.5 | -0.06 | 2006 | 1514 | 102.9 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2008 | 1526 | 128.0 | -3.78 | -0.45 | 0.856 | 47.3% | -69 | +76 | — | 40.0% | -0.80 | 2–6 (25%) | 7–0 (100%) | 102.6 | -0.19 | 2007 | 1541 | 111.9 | +1.61 | +0.92 | 1.265 | 55.0% | — | — | — | 60.0% | +0.80 | 0–1 | — | — | -0.18 |
| 2009 | 1690 | 125.1 | -2.77 | +0.12 | 0.981 | 50.0% | — | +94 | — | 45.2% | -0.10 | 0–5 (0%) | 1–2 (33%) | — | +0.61 | 2008 | 1526 | 112.0 | -1.73 | -1.29 | 0.817 | 45.5% | — | -17 | — | 33.3% | -1.67 | — | 2–1 (67%) | — | +0.19 |
| 2010 | 1565 | 111.2 | -4.60 | -2.90 | 0.742 | 44.9% | — | +103 | — | 26.5% | -1.68 | 1–2 (33%) | 1–2 (33%) | 97.6 | +0.44 | 2009 | 1616 | 130.9 | -2.40 | -1.25 | 0.889 | 47.8% | +30 | -5 | -138 | 41.3% | -0.69 | 5–6 (45%) | 5–2 (71%) | 104.0 | +0.63 |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2010 | 1542 | 108.7 | -5.84 | -2.45 | 0.729 | 44.1% | +60 | +21 | — | 33.3% | -1.33 | 2–1 (67%) | 2–1 (67%) | 102.2 | +0.57 |
| Career | 1702 | 121.6 | -3.56 | -0.85 | 0.877 | 47.8% | -33 | +80 | -15 | 41.4% | -0.64 | 14–17 (45%) | 13–9 (59%) | 103.3 | +2.88 | Career | 1654 | 120.2 | -3.07 | -1.30 | 0.865 | 47.2% | +43 | +6 | -138 | 40.0% | -0.80 | 10–10 (50%) | 10–5 (67%) | 107.0 | +2.42 |
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 |
|---|---|---|---|---|---|
| Nicolas Almagro | 2 | 3 | 5 | Apr 21, 2010 | H2H |
| Albert Montanes | 1 | 3 | 4 | Sep 26, 2009 | H2H |
| Daniel Gimeno-Traver | 0 | 2 | 2 | Feb 11, 2010 | H2H |
| Alberto Martin | 2 | 0 | 2 | Sep 25, 2009 | H2H |
| Jose Acasuso | 0 | 2 | 2 | May 27, 2009 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Andrey Golubev | 1 | 1 | 2 | Apr 8, 2010 | H2H |
| Juan Carlos Ferrero | 0 | 2 | 2 | Mar 27, 2010 | H2H |
| Steve Darcis | 1 | 1 | 2 | Jul 16, 2009 | H2H |
| Julien Benneteau | 0 | 2 | 2 | Jun 10, 2009 | H2H |
| Nicolas Massu | 0 | 2 | 2 | May 27, 2009 | H2H |