H2H data updated: 2026-09-23 00:00 UTC

Daniel Altmaier vs Horacio Zeballos H2H: 0-1

Horacio Zeballos holds a 1–0 lead over Daniel Altmaier in their ATP head-to-head. Across 1 main-draw meeting, Horacio Zeballos leads 1–0 on clay. Most recently, Horacio Zeballos won the 2017 Hamburg Open first round 7-6(2) 6-4.

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Daniel Altmaier
Germany Age 28 Right-Handed 188 cm / 6'2"
H2H
0 – 1
1 main-draw meetings
Horacio Zeballos
ARG Age 41 Left-Handed 188 cm / 6'2"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Horacio Zeballos #57 7-6(2) 6-4 Daniel Altmaier #218 Match data Jul 27, 2017* R32 Hamburg 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.

Career Comparison

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
Daniel Altmaier #67 #44 1,148 1,774 80 133 37.6% 0 0 0 0 0 0
Horacio Zeballos #841 #39 1,027 1,877 87 131 39.9% 0 0 0 0 1 1

Career Progression by Age

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 Daniel Altmaier Horacio Zeballos
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
18 2017 2–3 40.0% #275 1,540 0 0 — — — — — — —
20 2019 0–1 0.0% #279 1,530 0 0 — — — — — — —
21 2020 3–3 50.0% #130 1,670 0 0 — — — — — — —
22 2021 7–8 46.7% #84 1,725 0 0 — — — — — — —
23 2022 5–21 19.2% #94 1,564 0 0 — — — — — — —
24 2023 14–22 38.9% #56 1,648 0 0 2009 5–5 50.0% #45 1,613 0 0
25 2024 12–22 35.3% #89 1,629 0 0 2010 14–26 35.0% #110 1,595 0 0
26 2025 22–28 44.0% #46 1,758 0 0 2011 5–6 45.5% #109 1,598 0 0
27 2026 15–25 37.5% #67 1,692 0 0 2012 3–9 25.0% #85 1,591 0 0
28 — — — — — — — 2013 14–23 37.8% #56 1,587 0 1
29 — — — — — — — 2014 7–9 43.8% #123 1,633 0 1
30 — — — — — — — 2015 2–4 33.3% #124 1,645 0 1
31 — — — — — — — 2016 7–13 35.0% #71 1,670 0 1
32 — — — — — — — 2017 20–22 47.6% #66 1,759 0 1
33 — — — — — — — 2018 10–14 41.7% #173 1,721 0 1

Surface Results by Age

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 Daniel Altmaier Horacio Zeballos
Yr HardClayGrass Yr HardClayGrass
W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win %
18 2017 — — — — 0 2 2 0.0% 2 1 3 66.7% — — — — — — — — — — — — —
20 2019 — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — —
21 2020 0 2 2 0.0% 3 1 4 75.0% — — — — — — — — — — — — — — — — —
22 2021 1 1 2 50.0% 6 6 12 50.0% 0 1 1 0.0% — — — — — — — — — — — — —
23 2022 2 11 13 15.4% 1 6 7 14.3% 2 4 6 33.3% — — — — — — — — — — — — —
24 2023 4 12 16 25.0% 10 8 18 55.6% 0 2 2 0.0% 2009 5 4 9 55.6% — — — — 0 1 1 0.0%
25 2024 7 10 17 41.2% 4 11 15 26.7% 1 1 2 50.0% 2010 5 13 18 27.8% 8 11 19 42.1% 1 2 3 33.3%
26 2025 15 18 33 45.5% 6 7 13 46.2% 1 3 4 25.0% 2011 0 1 1 0.0% 5 5 10 50.0% — — — —
27 2026 3 10 13 23.1% 8 11 19 42.1% 4 4 8 50.0% 2012 0 2 2 0.0% 3 7 10 30.0% — — — —
28 — — — — — — — — — — — — — 2013 3 9 12 25.0% 11 13 24 45.8% 0 1 1 0.0%
29 — — — — — — — — — — — — — 2014 3 4 7 42.9% 4 5 9 44.4% — — — —
30 — — — — — — — — — — — — — 2015 — — — — 2 3 5 40.0% 0 1 1 0.0%
31 — — — — — — — — — — — — — 2016 6 5 11 54.5% 1 5 6 16.7% 0 3 3 0.0%
32 — — — — — — — — — — — — — 2017 5 8 13 38.5% 15 12 27 55.6% 0 2 2 0.0%
33 — — — — — — — — — — — — — 2018 3 5 8 37.5% 6 8 14 42.9% 1 1 2 50.0%
Career — 32 64 96 33.3% 38 53 91 41.8% 10 16 26 38.5% — 30 51 81 37.0% 55 69 124 44.4% 2 11 13 15.4%

Performance Progression by Age

Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 209/214 of Daniel Altmaier's and 218/218 of Horacio Zeballos'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 Daniel Altmaier Horacio Zeballos
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%
18 2017 5/5 8.0 3.0 60.9% 71.1% 44.6% 56.4% 32.9% 60.5% 28.9% — —/— — — — — — — — — —
20 2019 1/1 2.0 3.0 59.1% 46.2% 33.3% 0.0% 50.0% 40.9% 31.9% — —/— — — — — — — — — —
21 2020 6/6 5.7 2.8 57.7% 69.1% 45.9% 68.5% 31.2% 58.7% 37.5% — —/— — — — — — — — — —
22 2021 15/15 5.6 2.9 59.2% 71.6% 47.5% 68.3% 47.6% 61.6% 36.4% — —/— — — — — — — — — —
23 2022 26/26 6.8 2.7 61.2% 69.6% 46.0% 59.0% 37.1% 60.5% 32.0% — —/— — — — — — — — — —
24 2023 35/36 5.9 2.3 65.7% 68.6% 51.6% 61.3% 38.7% 62.8% 34.7% 2009 10/10 6.8 2.7 65.2% 71.0% 57.0% 65.7% 54.8% 66.1% 32.9%
25 2024 34/34 5.9 2.6 63.2% 69.9% 48.5% 56.5% 37.3% 61.8% 34.1% 2010 40/40 5.8 2.2 63.1% 67.6% 47.7% 60.4% 40.6% 60.5% 32.0%
26 2025 47/50 7.7 2.5 59.6% 71.8% 46.4% 55.1% 36.3% 61.6% 33.3% 2011 11/11 6.0 2.7 61.9% 73.7% 49.3% 65.4% 44.9% 64.3% 34.0%
27 2026 40/41 6.5 3.1 63.6% 70.2% 46.9% 51.5% 34.0% 61.5% 33.7% 2012 12/12 5.5 2.8 62.0% 67.1% 51.1% 62.2% 33.6% 61.2% 33.9%
28 — —/— — — — — — — — — — 2013 37/37 5.6 2.7 62.6% 69.2% 49.1% 59.1% 36.2% 61.6% 30.6%
29 — —/— — — — — — — — — — 2014 16/16 4.0 1.8 59.1% 72.9% 52.7% 59.2% 36.6% 64.5% 30.5%
30 — —/— — — — — — — — — — 2015 6/6 7.2 2.8 62.6% 67.8% 44.1% 67.3% 35.5% 59.1% 31.0%
31 — —/— — — — — — — — — — 2016 20/20 6.2 3.1 60.1% 72.6% 51.9% 55.7% 34.3% 64.1% 28.4%
32 — —/— — — — — — — — — — 2017 42/42 5.8 2.2 64.1% 71.2% 54.7% 56.0% 37.5% 65.0% 32.5%
33 — —/— — — — — — — — — — 2018 24/24 6.4 3.0 63.5% 71.6% 50.7% 69.3% 38.9% 64.1% 31.6%
Career — 209/214 6.6 2.7 62.1% 70.1% 47.6% 57.2% 37.2% 61.5% 33.8% — 218/218 5.8 2.5 62.6% 70.3% 51.0% 60.6% 38.6% 63.0% 31.6%

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. Metrics use eligible main-draw results; point statistics use matches with detailed data. 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 Daniel Altmaier Horacio Zeballos
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
18 2017 1541 104.5 -1.83 -2.08 0.731 44.9% — — +66 33.3% -1.17 2–0 2–2 (50%) — +0.15 — — — — — — — — — — — — — — — —
20 2019 1530 102.6 -2.67 -4.21 0.540 36.3% — — — 0.0% -4.00 — — — 0.00 — — — — — — — — — — — — — — — —
21 2020 1670 121.4 -2.65 +1.70 0.909 48.3% — +46 — 58.8% -0.18 0–1 3–1 (75%) — -0.16 — — — — — — — — — — — — — — — —
22 2021 1726 125.4 -2.00 -0.47 0.947 49.7% — +75 — 45.7% 0.00 3–4 (43%) 1–5 (17%) 95.3 -0.06 2007 1461 95.8 — — — — — — — — — — — — —
23 2022 1564 125.6 -1.76 -3.41 0.811 46.4% -64 +115 +4 26.9% -1.31 3–6 (33%) 3–8 (27%) 95.9 -0.18 2008 1506 105.6 — — — — — — — — — — — — —
24 2023 1648 137.5 -1.07 -0.53 0.932 48.9% -114 +131 — 44.2% -0.29 3–10 (23%) 6–10 (38%) 93.8 +0.65 2009 1613 122.4 +1.10 -2.29 0.970 50.1% +38 — — 53.8% +0.27 0–2 6–5 (55%) — +0.76
25 2024 1630 131.3 -1.48 -1.33 0.893 48.3% -32 +35 — 40.7% -0.52 3–5 (38%) 12–9 (57%) 101.5 +0.54 2010 1595 130.9 -1.88 -3.97 0.808 46.6% -14 +43 -118 37.2% -1.03 6–7 (46%) 7–9 (44%) 99.7 +0.16
26 2025 1758 141.9 -1.65 -1.43 0.865 47.6% -36 -1 -218 43.1% -0.49 8–7 (53%) 10–13 (43%) 104.3 +0.62 2011 1598 122.3 +1.03 -2.09 0.954 49.5% — +59 — 48.0% -0.04 0–1 3–4 (43%) — -0.49
27 2026 1693 131.4 -2.35 -1.33 0.876 47.9% -62 +40 -113 37.8% -0.81 7–4 (64%) 8–10 (44%) 104.4 -1.71 2012 1591 117.8 -2.87 -2.13 0.873 48.1% — +83 — 31.0% -0.66 0–1 1–4 (20%) — +0.33
28 — — — — — — — — — — — — — — — — 2013 1587 139.5 -1.23 -4.62 0.798 46.8% -106 +128 — 39.6% -0.52 10–5 (67%) 6–13 (32%) 103.9 +1.72
29 — — — — — — — — — — — — — — — — 2014 1633 127.6 +0.28 -3.69 0.858 48.3% -130 +105 — 41.7% -0.45 2–1 (67%) 3–3 (50%) 101.6 +0.69
30 — — — — — — — — — — — — — — — — 2015 1645 109.3 -1.33 -2.33 0.758 45.3% — +91 — 35.7% -1.72 0–1 2–2 (50%) — +0.09
31 — — — — — — — — — — — — — — — — 2016 1671 134.9 +0.65 -5.16 0.790 47.3% -42 -28 -181 38.3% -0.77 2–1 (67%) 3–4 (43%) 101.8 +0.23
32 — — — — — — — — — — — — — — — — 2017 1759 146.3 +0.83 -2.99 0.928 48.8% -104 +58 — 45.6% -0.27 8–4 (67%) 13–13 (50%) 106.3 -1.38
33 — — — — — — — — — — — — — — — — 2018 1721 138.6 +0.08 -3.27 0.880 48.8% -71 +37 — 43.9% -0.35 4–6 (40%) 8–8 (50%) 98.5 -1.23
34 — — — — — — — — — — — — — — — — 2019 1705 98.3 — — — — — — — — — — — — —
Career — 1775 137.0 -1.74 -1.36 0.877 47.9% -56 +63 -74 40.2% -0.61 29–37 (44%) 45–58 (44%) 99.6 -0.07 — 1877 137.5 -0.40 -3.58 0.854 47.8% -57 +70 -150 41.4% -0.54 32–29 (52%) 52–65 (44%) 103.5 +0.40

Career Rivalries

Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.