H2H data updated: 2026-10-08 00:00 UTC

Zizou Bergs vs Daniel Altmaier H2H: 1-0

Zizou Bergs holds a 1–0 lead over Daniel Altmaier in their ATP head-to-head. Across 1 main-draw meeting, Zizou Bergs leads 1–0 on grass. Most recently, Zizou Bergs won the 2026 Eastbourne Open second round 6-3 3-2.

Belgium Age 27 Right-Handed 185 cm / 6'1"
H2H
1 – 0
1 main-draw meetings
Germany Age 28 Right-Handed 188 cm / 6'2"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Zizou Bergs #48 6-3 3-2 (ret.) Daniel Altmaier #59 Match data Jun 24, 2026 R16 Eastbourne Open ATP 250 Grass

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
Zizou Bergs #39 #33 1,365 1,834 61 72 45.9% 0 0 0 0 1 1
Daniel Altmaier #67 #44 1,148 1,774 81 133 37.9% 0 0 0 0 0 0

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 Zizou Bergs Daniel Altmaier
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 1–1 50.0% #437 1,501 0 0 2020 3–3 50.0% #130 1,670 0 0
22 2021 1–2 33.3% #192 1,545 0 0 2021 7–8 46.7% #84 1,725 0 0
23 2022 0–3 0.0% #129 1,530 0 0 2022 5–21 19.2% #94 1,564 0 0
24 2023 2–6 25.0% #129 1,550 0 0 2023 14–22 38.9% #56 1,648 0 0
25 2024 13–17 43.3% #71 1,745 0 0 2024 12–22 35.3% #89 1,629 0 0
26 2025 28–25 52.8% #42 1,776 0 0 2025 22–28 44.0% #46 1,758 0 0
27 2026 16–18 47.1% #39 1,772 0 1 2026 16–25 39.0% #67 1,692 0 0

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 Zizou Bergs Daniel Altmaier
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 1 1 2 50.0% — — — — — — — — 2020 0 2 2 0.0% 3 1 4 75.0% — — — —
22 2021 0 1 1 0.0% 1 1 2 50.0% — — — — 2021 1 1 2 50.0% 6 6 12 50.0% 0 1 1 0.0%
23 2022 0 2 2 0.0% — — — — 0 1 1 0.0% 2022 2 11 13 15.4% 1 6 7 14.3% 2 4 6 33.3%
24 2023 0 4 4 0.0% 2 2 4 50.0% — — — — 2023 4 12 16 25.0% 10 8 18 55.6% 0 2 2 0.0%
25 2024 9 9 18 50.0% 3 6 9 33.3% 1 2 3 33.3% 2024 7 10 17 41.2% 4 11 15 26.7% 1 1 2 50.0%
26 2025 22 17 39 56.4% 2 4 6 33.3% 4 4 8 50.0% 2025 15 18 33 45.5% 6 7 13 46.2% 1 3 4 25.0%
27 2026 6 11 17 35.3% 3 4 7 42.9% 7 3 10 70.0% 2026 4 10 14 28.6% 8 11 19 42.1% 4 4 8 50.0%
Career — 38 45 83 45.8% 11 17 28 39.3% 12 10 22 54.5% — 33 64 97 34.0% 38 53 91 41.8% 10 16 26 38.5%

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 131/135 of Zizou Bergs's and 210/215 of Daniel Altmaier'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 Zizou Bergs Daniel Altmaier
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 2/2 7.5 2.0 67.0% 66.8% 55.4% 74.2% 44.4% 62.9% 38.3% 2020 6/6 5.7 2.8 57.7% 69.1% 45.9% 68.5% 31.2% 58.7% 37.5%
22 2021 3/3 4.0 4.0 68.7% 69.0% 44.0% 60.2% 41.0% 60.8% 33.7% 2021 15/15 5.6 2.9 59.2% 71.6% 47.5% 68.3% 47.6% 61.6% 36.4%
23 2022 3/3 5.0 1.7 64.6% 70.5% 49.5% 63.3% 55.6% 63.1% 35.9% 2022 26/26 6.8 2.7 61.2% 69.6% 46.0% 59.0% 37.1% 60.5% 32.0%
24 2023 8/8 8.5 3.6 66.0% 74.4% 50.5% 54.0% 37.0% 66.1% 33.9% 2023 35/36 5.9 2.3 65.7% 68.6% 51.6% 61.3% 38.7% 62.8% 34.7%
25 2024 29/30 6.7 3.4 62.3% 71.9% 52.2% 60.5% 36.3% 64.3% 36.0% 2024 34/34 5.9 2.6 63.2% 69.9% 48.5% 56.5% 37.3% 61.8% 34.1%
26 2025 52/53 6.6 4.3 58.1% 72.4% 51.0% 51.3% 36.8% 63.5% 36.7% 2025 47/50 7.7 2.5 59.6% 71.8% 46.4% 55.1% 36.3% 61.6% 33.3%
27 2026 34/36 7.5 5.1 58.3% 73.5% 48.5% 48.7% 34.3% 63.0% 36.5% 2026 41/42 6.5 3.0 63.6% 70.3% 47.2% 51.7% 35.6% 61.7% 33.5%
Career — 131/135 6.9 4.2 60.1% 72.5% 50.5% 53.7% 36.7% 63.6% 36.3% — 210/215 6.6 2.7 62.1% 70.2% 47.7% 57.2% 37.5% 61.5% 33.8%

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 Zizou Bergs Daniel Altmaier
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
17 2016 1495 103.9 — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
18 2017 1488 98.2 — — — — — — — — — — — — — 2017 1541 104.5 -1.83 -2.08 0.731 44.9% — — +66 33.3% -1.17 2–0 2–2 (50%) — +0.15
19 2018 1478 101.8 — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
20 — — — — — — — — — — — — — — — — 2019 1530 102.6 -2.67 -4.21 0.540 36.3% — — — 0.0% -4.00 — — — 0.00
21 2020 1502 112.6 +0.15 -0.49 1.032 50.6% — — — 60.0% +0.40 0–1 — — -0.10 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 1546 116.1 -0.94 +0.02 0.860 47.4% — — — 42.9% -0.57 0–1 1–1 — -0.29 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
23 2022 1530 106.2 -0.13 -0.17 0.971 50.0% — — — 16.7% -0.84 0–1 0–1 — +0.24 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
24 2023 1550 119.7 +0.77 -0.52 1.000 49.9% -63 +89 — 37.5% -0.21 2–4 (33%) 3–3 (50%) 99.7 -0.35 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
25 2024 1745 135.5 +0.14 +0.37 1.008 49.9% -50 -29 -112 48.8% -0.34 3–9 (25%) 8–4 (67%) 99.0 -0.32 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
26 2025 1776 140.2 -0.61 +1.15 1.005 50.1% +24 -140 -136 48.4% -0.16 10–4 (71%) 14–14 (50%) 103.6 +1.30 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
27 2026 1772 137.1 -1.20 +1.22 0.986 49.6% -42 -130 -13 47.9% 0.00 5–6 (45%) 6–12 (33%) 97.3 -0.07 2026 1692 131.0 -2.42 -1.17 0.875 47.8% -56 +42 -114 38.6% -0.80 8–4 (67%) 9–10 (47%) 106.9 -1.93
Career — 1834 136.3 -0.50 +0.81 0.996 49.8% -12 -64 -74 47.1% -0.18 20–26 (43%) 32–35 (48%) 97.7 +0.31 — 1775 136.9 -1.75 -1.33 0.877 47.9% -56 +63 -74 40.4% -0.60 30–37 (45%) 46–58 (44%) 100.7 -0.17

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.