H2H data updated: 2026-09-04 00:00 UTC
Martin Vassallo Arguello holds a 1–0 lead over Daniel Koellerer in their ATP head-to-head. Across 1 main-draw meeting, Martin Vassallo Arguello leads 1–0 on clay. Most recently, Martin Vassallo Arguello won the 2009 Mexican Open quarterfinal 6-3 7-6(6).
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| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Martin Vassallo Arguello | 6-3 7-6(6) | Daniel Koellerer | Match data | Feb 28, 2009* | QF | Mexican Open | ATP 500 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Martin Vassallo Arguello | #929 | #47 | 1,298 | 1,667 | 46 | 81 | 36.2% | 0 | 0 | 0 | 0 | 0 | 0 |
| 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.
| Martin Vassallo Arguello | Daniel Koellerer | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 2002 | 0–2 | 0.0% | #181 | 1,526 | 0 | 0 | 2003 | 0–1 | 0.0% | #180 | 1,475 | 0 | 0 |
| 2003 | 0–2 | 0.0% | #112 | 1,476 | 0 | 0 | 2004 | 2–1 | 66.7% | #205 | 1,521 | 0 | 0 |
| 2004 | 3–7 | 30.0% | #216 | 1,485 | 0 | 0 | 2005 | 1–2 | 33.3% | #147 | 1,508 | 0 | 0 |
| 2005 | 1–1 | 50.0% | #221 | 1,490 | 0 | 0 | 2007 | 1–1 | 50.0% | #165 | 1,540 | 0 | 0 |
| 2006 | 9–6 | 60.0% | #81 | 1,631 | 0 | 0 | 2008 | 1–2 | 33.3% | #125 | 1,525 | 0 | 0 |
| 2007 | 14–20 | 41.2% | #74 | 1,595 | 0 | 0 | 2009 | 10–17 | 37.0% | #71 | 1,616 | 0 | 0 |
| 2008 | 5–13 | 27.8% | #71 | 1,551 | 0 | 0 | 2010 | 4–10 | 28.6% | #272 | 1,541 | 0 | 0 |
| 2009 | 14–26 | 35.0% | #99 | 1,541 | 0 | 0 | — | — | — | — | — | — | — |
| 2010 | 0–4 | 0.0% | #290 | 1,486 | 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.
| Martin Vassallo Arguello | 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 % | ||
| 2002 | — | — | — | — | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | 2003 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 2003 | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | 2004 | — | — | — | — | 2 | 1 | 3 | 66.7% | — | — | — | — |
| 2004 | 0 | 1 | 1 | 0.0% | 3 | 5 | 8 | 37.5% | 0 | 1 | 1 | 0.0% | 2005 | — | — | — | — | 1 | 2 | 3 | 33.3% | — | — | — | — |
| 2005 | — | — | — | — | 1 | 1 | 2 | 50.0% | — | — | — | — | 2007 | — | — | — | — | 1 | 1 | 2 | 50.0% | — | — | — | — |
| 2006 | — | — | — | — | 9 | 6 | 15 | 60.0% | — | — | — | — | 2008 | — | — | — | — | 1 | 2 | 3 | 33.3% | — | — | — | — |
| 2007 | 1 | 5 | 6 | 16.7% | 13 | 14 | 27 | 48.1% | 0 | 1 | 1 | 0.0% | 2009 | 4 | 7 | 11 | 36.4% | 6 | 7 | 13 | 46.2% | 0 | 3 | 3 | 0.0% |
| 2008 | 0 | 2 | 2 | 0.0% | 4 | 10 | 14 | 28.6% | 1 | 1 | 2 | 50.0% | 2010 | 3 | 5 | 8 | 37.5% | 1 | 4 | 5 | 20.0% | 0 | 1 | 1 | 0.0% |
| 2009 | 3 | 12 | 15 | 20.0% | 10 | 13 | 23 | 43.5% | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2010 | 0 | 2 | 2 | 0.0% | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 4 | 23 | 27 | 14.8% | 40 | 53 | 93 | 43.0% | 2 | 5 | 7 | 28.6% | 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 121/125 of Martin Vassallo Arguello'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.
| Martin Vassallo Arguello | 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% |
| 2003 | 2/2 | 3.0 | 4.0 | 49.1% | 59.2% | 37.8% | 51.9% | 50.0% | 48.2% | 33.7% | 2003 | 1/1 | 1.0 | 2.0 | 67.9% | 58.3% | 35.3% | 42.9% | 50.0% | 50.9% | 33.9% |
| 2004 | 10/10 | 3.3 | 5.2 | 61.3% | 63.5% | 40.3% | 62.3% | 34.8% | 54.9% | 36.1% | 2004 | 3/3 | 0.3 | 1.3 | 71.5% | 61.8% | 55.8% | 55.4% | 39.9% | 60.0% | 44.5% |
| 2005 | 2/2 | 2.0 | 1.0 | 65.4% | 60.9% | 53.8% | 60.7% | 22.2% | 58.6% | 32.5% | 2005 | 3/3 | 2.7 | 1.0 | 74.7% | 65.9% | 55.9% | 62.0% | 32.5% | 62.8% | 36.5% |
| 2006 | 15/15 | 3.4 | 1.4 | 72.7% | 64.4% | 50.6% | 51.3% | 37.3% | 60.3% | 38.1% | 2007 | 2/2 | 1.5 | 3.5 | 52.0% | 68.9% | 52.1% | 16.7% | 46.8% | 60.8% | 49.5% |
| 2007 | 30/34 | 3.2 | 2.9 | 67.1% | 64.0% | 46.0% | 46.5% | 43.4% | 58.4% | 36.4% | 2008 | 3/3 | 1.0 | 2.3 | 70.0% | 59.2% | 54.6% | 36.7% | 39.4% | 57.0% | 35.1% |
| 2008 | 18/18 | 2.3 | 2.9 | 68.4% | 59.9% | 48.6% | 56.0% | 38.2% | 56.3% | 35.4% | 2009 | 27/27 | 1.8 | 1.9 | 69.3% | 64.3% | 49.6% | 56.9% | 46.2% | 59.8% | 35.7% |
| 2009 | 40/40 | 2.1 | 2.0 | 68.0% | 65.6% | 48.4% | 53.3% | 40.3% | 60.2% | 33.2% | 2010 | 14/14 | 1.5 | 1.9 | 65.6% | 62.1% | 42.1% | 48.7% | 50.1% | 54.4% | 33.2% |
| 2010 | 4/4 | 1.3 | 1.8 | 68.3% | 56.6% | 49.4% | 58.0% | 45.8% | 54.4% | 29.1% | — | —/— | — | — | — | — | — | — | — | — | — |
| Career | 121/127 | 2.7 | 2.6 | 67.5% | 63.5% | 47.4% | 52.8% | 40.0% | 58.3% | 35.0% | 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.
| Martin Vassallo Arguello | 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 |
| 2002 | 1527 | 106.5 | — | — | — | — | — | — | — | 28.6% | -1.57 | 0–1 | — | — | -0.05 | 2003 | 1475 | 97.7 | -1.06 | -0.96 | 0.692 | 42.2% | — | — | — | 0.0% | -3.50 | — | — | — | +0.03 |
| 2003 | 1477 | 92.4 | -3.97 | -0.97 | 0.652 | 42.1% | — | — | — | 0.0% | -3.50 | — | — | — | +0.20 | 2004 | 1521 | 101.4 | -2.70 | +2.78 | 1.113 | 51.9% | — | +33 | — | 55.6% | +0.34 | 2–1 (67%) | — | — | +0.12 |
| 2004 | 1486 | 101.1 | -3.86 | -0.65 | 0.800 | 45.8% | — | +50 | — | 26.1% | -1.31 | 2–0 | 0–3 (0%) | — | -0.11 | 2005 | 1509 | 104.8 | -1.67 | -1.99 | 0.982 | 49.7% | — | +25 | — | 37.5% | -0.87 | 1–1 | 1–1 | — | -0.08 |
| 2005 | 1490 | 103.8 | +0.35 | -3.18 | 0.784 | 47.1% | — | — | — | 66.7% | +0.67 | 1–0 | 1–0 | — | -0.10 | 2006 | 1514 | 102.9 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2006 | 1632 | 118.7 | -1.26 | -0.58 | 0.958 | 49.0% | — | +52 | — | 50.0% | -0.05 | 5–1 (83%) | 0–1 | — | +0.67 | 2007 | 1541 | 111.9 | +1.61 | +0.92 | 1.265 | 55.0% | — | — | — | 60.0% | +0.80 | 0–1 | — | — | -0.18 |
| 2007 | 1596 | 117.7 | -3.77 | -1.15 | 0.874 | 47.2% | -138 | +64 | — | 39.5% | -0.73 | 4–4 (50%) | 4–3 (57%) | — | +1.42 | 2008 | 1526 | 112.0 | -1.73 | -1.29 | 0.817 | 45.5% | — | -17 | — | 33.3% | -1.67 | — | 2–1 (67%) | — | +0.19 |
| 2008 | 1552 | 111.9 | -4.29 | -1.88 | 0.810 | 46.1% | — | +36 | — | 28.6% | -1.37 | 3–1 (75%) | 1–4 (20%) | — | +0.17 | 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%) | — | +0.63 |
| 2009 | 1542 | 132.6 | -2.58 | -3.44 | 0.832 | 47.2% | -128 | +80 | — | 38.0% | -0.72 | 4–7 (36%) | 7–2 (78%) | — | +1.14 | 2010 | 1542 | 108.7 | -5.84 | -2.45 | 0.729 | 44.1% | +60 | +21 | — | 33.3% | -1.33 | 2–1 (67%) | 2–1 (67%) | — | +0.57 |
| 2010 | 1486 | 107.8 | -1.81 | -4.28 | 0.639 | 43.0% | — | — | — | 0.0% | -3.14 | — | — | — | -0.05 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2011 | 1461 | 98.1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 1668 | 120.9 | -3.02 | -2.04 | 0.840 | 47.0% | -131 | +60 | — | 36.3% | -0.88 | 19–14 (58%) | 13–13 (50%) | 107.5 | +2.59 | 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 | 0 | 5 | 5 | Feb 28, 2009 | H2H |
| Marcel Granollers | 1 | 2 | 3 | Feb 4, 2010 | H2H |
| Juan Monaco | 0 | 3 | 3 | Nov 5, 2009 | H2H |
| Gael Monfils | 0 | 3 | 3 | Oct 2, 2009 | H2H |
| Stan Wawrinka | 1 | 2 | 3 | Jun 25, 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 |