H2H data updated: 2026-09-01 00:00 UTC
Nicolas Massu holds a 2–0 lead over Daniel Koellerer in their ATP head-to-head. Across 2 main-draw meetings, Nicolas Massu leads 2–0 on clay. Most recently, Nicolas Massu won the 2009 Roland Garros first round 6-3 6-4 1-6 2-6 6-3.
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| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Nicolas Massu | 6-3 6-4 1-6 2-6 6-3 | Daniel Koellerer | Match data | May 27, 2009* | R128 | Roland Garros | Grand Slam | Clay |
| Nicolas Massu | 7-6(5) 7-5 | Daniel Koellerer | Match data | Jul 28, 2005* | R32 | Austrian Open Kitzbühel | ATP International Series Gold → modern equivalent 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 | Olympics | 1000 including documented historical predecessor categories | Finals | 500 including documented historical predecessor categories | 250 including documented historical predecessor categories | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nicolas Massu | #1,015 | #9 | 1,845 | 1,900 | 226 | 219 | 50.8% | 0 | 1 | 0 | 0 | 1 | 4 | 6 |
| Daniel Koellerer | #385 | #55 | 904 | 1,653 | 19 | 34 | 35.8% | 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.
| Nicolas Massu | Daniel Koellerer | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1997 | 0–1 | 0.0% | #583 | 1,489 | 0 | 0 | 2003 | 0–1 | 0.0% | #180 | 1,475 | 0 | 0 |
| 1998 | 0–2 | 0.0% | #188 | 1,470 | 0 | 0 | 2004 | 2–1 | 66.7% | #205 | 1,521 | 0 | 0 |
| 2000 | 24–22 | 52.2% | #87 | 1,648 | 0 | 0 | 2005 | 1–2 | 33.3% | #147 | 1,508 | 0 | 0 |
| 2001 | 21–27 | 43.8% | #80 | 1,629 | 0 | 0 | 2007 | 1–1 | 50.0% | #165 | 1,540 | 0 | 0 |
| 2002 | 27–19 | 58.7% | #56 | 1,752 | 0 | 1 | 2008 | 1–2 | 33.3% | #125 | 1,525 | 0 | 0 |
| 2003 | 35–20 | 63.6% | #12 | 1,860 | 0 | 3 | 2009 | 10–17 | 37.0% | #71 | 1,616 | 0 | 0 |
| 2004 | 36–27 | 57.1% | #19 | 1,796 | 0 | 5 | 2010 | 4–10 | 28.6% | #272 | 1,541 | 0 | 0 |
| 2005 | 16–21 | 43.2% | #65 | 1,633 | 0 | 5 | — | — | — | — | — | — | — |
| 2006 | 35–25 | 58.3% | #44 | 1,727 | 0 | 6 | — | — | — | — | — | — | — |
| 2007 | 15–22 | 40.5% | #78 | 1,618 | 0 | 6 | — | — | — | — | — | — | — |
| 2008 | 7–12 | 36.8% | #77 | 1,598 | 0 | 6 | — | — | — | — | — | — | — |
| 2009 | 7–11 | 38.9% | #112 | 1,595 | 0 | 6 | — | — | — | — | — | — | — |
| 2010 | 3–7 | 30.0% | #186 | 1,559 | 0 | 6 | — | — | — | — | — | — | — |
| 2011 | 0–1 | 0.0% | #450 | 1,552 | 0 | 6 | — | — | — | — | — | — | — |
| 2012 | 0–1 | 0.0% | #618 | 1,537 | 0 | 6 | — | — | — | — | — | — | — |
| 2013 | 0–1 | 0.0% | #876 | 1,525 | 0 | 6 | — | — | — | — | — | — | — |
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.
| Nicolas Massu | Daniel Koellerer | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Hard | Clay | Grass | Carpet | Yr | Hard | Clay | Grass | Carpet | ||||||||||||||||||||||||
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | ||
| 1997 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 2003 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 1998 | — | — | — | — | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | 2004 | — | — | — | — | 2 | 1 | 3 | 66.7% | — | — | — | — | — | — | — | — |
| 2000 | 9 | 11 | 20 | 45.0% | 14 | 9 | 23 | 60.9% | 1 | 2 | 3 | 33.3% | — | — | — | — | 2005 | — | — | — | — | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — |
| 2001 | 13 | 14 | 27 | 48.1% | 6 | 12 | 18 | 33.3% | 2 | 1 | 3 | 66.7% | — | — | — | — | 2007 | — | — | — | — | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — |
| 2002 | 12 | 11 | 23 | 52.2% | 14 | 6 | 20 | 70.0% | 1 | 2 | 3 | 33.3% | — | — | — | — | 2008 | — | — | — | — | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — |
| 2003 | 9 | 7 | 16 | 56.3% | 24 | 10 | 34 | 70.6% | 1 | 1 | 2 | 50.0% | 1 | 2 | 3 | 33.3% | 2009 | 4 | 7 | 11 | 36.4% | 6 | 7 | 13 | 46.2% | 0 | 3 | 3 | 0.0% | — | — | — | — |
| 2004 | 9 | 10 | 19 | 47.4% | 23 | 13 | 36 | 63.9% | 0 | 1 | 1 | 0.0% | 4 | 3 | 7 | 57.1% | 2010 | 3 | 5 | 8 | 37.5% | 1 | 4 | 5 | 20.0% | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 2005 | 5 | 9 | 14 | 35.7% | 10 | 9 | 19 | 52.6% | 1 | 1 | 2 | 50.0% | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2006 | 9 | 10 | 19 | 47.4% | 25 | 12 | 37 | 67.6% | 0 | 1 | 1 | 0.0% | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2007 | 1 | 8 | 9 | 11.1% | 13 | 12 | 25 | 52.0% | 0 | 1 | 1 | 0.0% | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2008 | 4 | 5 | 9 | 44.4% | 3 | 7 | 10 | 30.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2009 | 3 | 4 | 7 | 42.9% | 4 | 7 | 11 | 36.4% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2010 | 0 | 1 | 1 | 0.0% | 3 | 5 | 8 | 37.5% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2011 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2012 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2013 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 74 | 90 | 164 | 45.1% | 139 | 108 | 247 | 56.3% | 6 | 11 | 17 | 35.3% | 7 | 10 | 17 | 41.2% | 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 396/444 of Nicolas Massu'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.
| Nicolas Massu | 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% |
| 1998 | 2/2 | 3.5 | 3.0 | 62.9% | 67.9% | 37.4% | 52.8% | 6.3% | 56.4% | 30.9% | 2003 | 1/1 | 1.0 | 2.0 | 67.9% | 58.3% | 35.3% | 42.9% | 50.0% | 50.9% | 33.9% |
| 2000 | 36/46 | 4.4 | 3.1 | 54.6% | 71.1% | 50.7% | 57.5% | 39.3% | 61.5% | 35.8% | 2004 | 3/3 | 0.3 | 1.3 | 71.5% | 61.8% | 55.8% | 55.4% | 39.9% | 60.0% | 44.5% |
| 2001 | 43/48 | 5.4 | 2.5 | 55.0% | 68.0% | 48.1% | 55.8% | 42.2% | 59.1% | 34.0% | 2005 | 3/3 | 2.7 | 1.0 | 74.7% | 65.9% | 55.9% | 62.0% | 32.5% | 62.8% | 36.5% |
| 2002 | 33/46 | 4.7 | 3.2 | 57.9% | 71.2% | 52.7% | 61.0% | 45.3% | 63.3% | 42.1% | 2007 | 2/2 | 1.5 | 3.5 | 52.0% | 68.9% | 52.1% | 16.7% | 46.8% | 60.8% | 49.5% |
| 2003 | 49/55 | 4.2 | 3.1 | 60.2% | 69.8% | 50.7% | 53.7% | 49.4% | 62.1% | 42.0% | 2008 | 3/3 | 1.0 | 2.3 | 70.0% | 59.2% | 54.6% | 36.7% | 39.4% | 57.0% | 35.1% |
| 2004 | 57/63 | 4.1 | 2.5 | 58.7% | 72.0% | 52.1% | 63.5% | 41.7% | 63.5% | 40.9% | 2009 | 27/27 | 1.8 | 1.9 | 69.3% | 64.3% | 49.6% | 56.9% | 46.2% | 59.8% | 35.7% |
| 2005 | 36/37 | 4.7 | 3.6 | 56.1% | 70.3% | 47.3% | 62.5% | 34.6% | 60.0% | 34.6% | 2010 | 14/14 | 1.5 | 1.9 | 65.6% | 62.1% | 42.1% | 48.7% | 50.1% | 54.4% | 33.2% |
| 2006 | 60/60 | 4.8 | 2.6 | 59.0% | 71.1% | 53.4% | 58.3% | 45.4% | 63.7% | 37.8% | — | —/— | — | — | — | — | — | — | — | — | — |
| 2007 | 32/37 | 3.9 | 2.9 | 60.6% | 66.3% | 49.3% | 58.7% | 38.9% | 59.6% | 34.8% | — | —/— | — | — | — | — | — | — | — | — | — |
| 2008 | 17/19 | 3.7 | 3.1 | 60.1% | 68.6% | 48.6% | 50.5% | 34.1% | 60.5% | 37.0% | — | —/— | — | — | — | — | — | — | — | — | — |
| 2009 | 18/18 | 4.1 | 4.1 | 60.6% | 64.1% | 47.1% | 59.5% | 53.5% | 57.4% | 36.3% | — | —/— | — | — | — | — | — | — | — | — | — |
| 2010 | 10/10 | 3.5 | 4.0 | 63.4% | 66.9% | 46.6% | 65.6% | 50.2% | 59.1% | 36.4% | — | —/— | — | — | — | — | — | — | — | — | — |
| 2011 | 1/1 | 1.0 | 1.0 | 63.8% | 60.0% | 50.0% | 66.7% | 28.6% | 56.4% | 37.3% | — | —/— | — | — | — | — | — | — | — | — | — |
| 2012 | 1/1 | 3.0 | 4.0 | 64.3% | 55.6% | 25.0% | 58.3% | — | 44.6% | 21.6% | — | —/— | — | — | — | — | — | — | — | — | — |
| 2013 | 1/1 | 2.0 | 10.0 | 62.6% | 62.3% | 50.0% | 71.4% | 33.3% | 57.7% | 35.6% | — | —/— | — | — | — | — | — | — | — | — | — |
| Career | 396/445 | 4.4 | 3.0 | 58.3% | 69.7% | 50.3% | 58.7% | 42.6% | 61.4% | 37.8% | 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.
| Nicolas Massu | 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 |
| 1997 | 1489 | 102.8 | — | — | — | — | — | — | — | 33.3% | -1.33 | 0–1 | 1–0 | — | 0.00 | 2003 | 1475 | 97.7 | -1.06 | -0.96 | 0.692 | 42.2% | — | — | — | 0.0% | -3.50 | — | — | — | +0.03 |
| 1998 | 1471 | 102.0 | -0.63 | -3.54 | 0.709 | 44.1% | — | — | — | 0.0% | -3.00 | — | — | — | -0.04 | 2004 | 1521 | 101.4 | -2.70 | +2.78 | 1.113 | 51.9% | — | +33 | — | 55.6% | +0.34 | 2–1 (67%) | — | — | +0.12 |
| 2000 | 1649 | 128.9 | -0.30 | -1.80 | 0.930 | 49.0% | -54 | +24 | -100 | 51.5% | +0.02 | 3–4 (43%) | 7–6 (54%) | — | +0.82 | 2005 | 1509 | 104.8 | -1.67 | -1.99 | 0.982 | 49.7% | — | +25 | — | 37.5% | -0.87 | 1–1 | 1–1 | — | -0.08 |
| 2001 | 1629 | 130.4 | -2.10 | -2.58 | 0.831 | 46.8% | +22 | -58 | -46 | 45.1% | -0.53 | 11–9 (55%) | 13–13 (50%) | — | -0.30 | 2006 | 1514 | 102.9 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2002 | 1752 | 141.7 | +1.09 | +3.69 | 1.148 | 52.8% | -42 | -1 | -192 | 59.6% | +0.82 | 9–6 (60%) | 11–8 (58%) | — | -0.54 | 2007 | 1541 | 111.9 | +1.61 | +0.92 | 1.265 | 55.0% | — | — | — | 60.0% | +0.80 | 0–1 | — | — | -0.18 |
| 2003 | 1861 | 147.4 | +0.30 | +3.40 | 1.107 | 51.9% | -79 | +62 | — | 61.8% | +0.69 | 10–9 (53%) | 10–7 (59%) | — | +0.25 | 2008 | 1526 | 112.0 | -1.73 | -1.29 | 0.817 | 45.5% | — | -17 | — | 33.3% | -1.67 | — | 2–1 (67%) | — | +0.19 |
| 2004 | 1796 | 141.9 | +1.00 | +3.07 | 1.120 | 51.9% | -29 | +91 | — | 58.4% | +0.57 | 5–11 (31%) | 13–9 (59%) | — | +2.36 | 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 |
| 2005 | 1634 | 125.2 | -2.10 | -2.21 | 0.864 | 47.7% | -5 | +164 | — | 47.3% | -0.38 | 4–6 (40%) | 9–7 (56%) | — | +1.24 | 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 |
| 2006 | 1728 | 142.0 | +1.67 | +0.64 | 1.044 | 50.8% | -60 | +139 | — | 54.9% | +0.17 | 9–7 (56%) | 16–10 (62%) | — | +0.07 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2007 | 1619 | 129.9 | -2.88 | -1.60 | 0.862 | 47.4% | -39 | +129 | — | 42.7% | -0.40 | 4–7 (36%) | 9–11 (45%) | — | +0.17 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2008 | 1598 | 127.6 | -1.27 | -0.06 | 0.936 | 48.3% | +14 | +83 | — | 41.3% | -0.74 | 2–5 (29%) | 2–4 (33%) | — | -0.20 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2009 | 1596 | 122.7 | -3.61 | -1.01 | 0.853 | 47.3% | +24 | +30 | — | 39.2% | -0.69 | 5–4 (56%) | 4–5 (44%) | — | +0.34 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2010 | 1560 | 116.9 | -1.58 | -0.99 | 0.890 | 48.3% | — | +26 | — | 37.9% | -0.69 | 2–3 (40%) | 1–3 (25%) | — | +0.24 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2011 | 1552 | 98.9 | +0.13 | -1.79 | 0.856 | 47.5% | — | — | — | 0.0% | -1.50 | — | 0–1 | — | +0.22 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2012 | 1538 | 97.7 | -0.61 | -1.01 | 0.391 | 35.5% | — | — | — | 0.0% | -4.50 | — | — | — | +0.11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2013 | 1526 | 102.0 | -1.57 | -1.93 | 0.843 | 47.8% | — | — | — | 33.3% | -1.33 | 0–1 | 1–0 | — | +0.08 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 1900 | 139.2 | -0.42 | +0.39 | 0.979 | 49.7% | -29 | +74 | -113 | 51.3% | +0.03 | 64–73 (47%) | 97–84 (54%) | 99.2 | +1.09 | 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 |
|---|---|---|---|---|---|
| Juan Carlos Ferrero | 2 | 7 | 9 | Feb 12, 2010 | H2H |
| Agustin Calleri | 2 | 6 | 8 | Feb 5, 2009 | H2H |
| Mariano Zabaleta | 5 | 3 | 8 | Jul 13, 2006 | H2H |
| Juan Ignacio Chela | 1 | 6 | 7 | Mar 3, 2007 | H2H |
| Gaston Gaudio | 4 | 3 | 7 | Oct 18, 2006 | 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 |