H2H data updated: 2026-09-03 00:00 UTC

Ugo Humbert vs Stefan Kozlov H2H: 1-0

Ugo Humbert holds a 1–0 lead over Stefan Kozlov in their ATP head-to-head. Across 1 main-draw meeting, Ugo Humbert leads 1–0 on hard courts. Most recently, Ugo Humbert won the 2020 Delray Beach Open first round 6-7(5) 6-3 6-1.

France Age 28 Left-Handed 188 cm / 6'2"
H2H
1 0
1 main draw meetings
United States Age 28 Right-Handed 183 cm / 6'0"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Ugo Humbert #44 6-7(5) 6-3 6-1 Stefan Kozlov #367 Match data Feb 20, 2020* R32 Delray Beach Open ATP 250 Hard

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
Ugo Humbert #31 #13 2,990 2,038 184 162 53.2% 0 0 0 2 5 7
Stefan Kozlov #297 #103 558 1,673 9 26 25.7% 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 Ugo Humbert Stefan Kozlov
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
15 2013 0–1 0.0% #1083 1,489 0 0
16 2014 0–1 0.0% #467 1,453 0 0
17 2015 0–2 0.0% #351 1,420 0 0
18 2016 3–2 60.0% #116 1,481 0 0
19 2017 2–9 18.2% #167 1,549 0 0
20 2018 2–3 40.0% #102 1,583 0 0 2018 0–1 0.0% #316 1,528 0 0
21 2019 16–21 43.2% #57 1,737 0 0
22 2020 24–12 66.7% #30 1,936 0 2 2020 0–1 0.0% #371 1,514 0 0
23 2021 19–20 48.7% #35 1,847 0 3 2021 0–1 0.0% #159 1,550 0 0
24 2022 8–19 29.6% #86 1,715 0 3 2022 4–8 33.3% #198 1,529 0 0
25 2023 29–23 55.8% #20 1,929 0 4
26 2024 38–24 61.3% #14 1,939 0 6
27 2025 23–19 54.8% #37 1,865 0 7
28 2026 25–21 54.3% #31 1,780 0 7

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 Ugo Humbert Stefan Kozlov
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 %
15 2013 0 1 1 0.0%
16 2014 0 1 1 0.0%
17 2015 0 2 2 0.0%
18 2016 3 2 5 60.0%
19 2017 0 6 6 0.0% 2 3 5 40.0%
20 2018 2 3 5 40.0% 2018 0 1 1 0.0%
21 2019 9 13 22 40.9% 1 4 5 20.0% 6 4 10 60.0%
22 2020 20 9 29 69.0% 4 3 7 57.1% 2020 0 1 1 0.0%
23 2021 10 11 21 47.6% 1 6 7 14.3% 8 3 11 72.7% 2021 0 1 1 0.0%
24 2022 3 9 12 25.0% 2 5 7 28.6% 3 5 8 37.5% 2022 4 6 10 40.0% 0 2 2 0.0%
25 2023 25 14 39 64.1% 1 5 6 16.7% 3 4 7 42.9%
26 2024 28 13 41 68.3% 5 7 12 41.7% 5 4 9 55.6%
27 2025 17 10 27 63.0% 2 5 7 28.6% 4 4 8 50.0%
28 2026 12 12 24 50.0% 5 5 10 50.0% 8 4 12 66.7%
Career 126 94 220 57.3% 21 40 61 34.4% 37 28 65 56.9% 4 17 21 19.0% 0 1 1 0.0% 5 8 13 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 336/347 of Ugo Humbert's and 35/35 of Stefan Kozlov'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 Ugo Humbert Stefan Kozlov
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%
15 —/— 2013 1/1 4.0 3.0 43.5% 74.5% 42.6% 62.5% 44.4% 56.5% 36.0%
16 —/— 2014 1/1 2.0 4.0 56.4% 61.3% 50.0% 63.6% 16.7% 56.4% 35.5%
17 —/— 2015 2/2 0.5 3.0 44.3% 48.1% 35.6% 27.8% 67.5% 41.3% 42.2%
18 —/— 2016 5/5 4.2 4.8 55.8% 67.8% 41.9% 67.2% 40.4% 56.9% 38.4%
19 —/— 2017 11/11 3.6 4.1 58.0% 65.2% 44.1% 53.2% 35.0% 56.5% 32.9%
20 2018 5/5 10.6 3.4 57.8% 74.1% 54.8% 58.3% 68.5% 66.0% 31.6% 2018 1/1 2.0 5.0 50.9% 65.5% 35.7% 20.0% 50.0% 50.9% 28.0%
21 2019 36/37 7.6 3.4 60.5% 73.5% 51.3% 60.9% 41.1% 64.7% 34.6% —/—
22 2020 36/36 6.8 2.8 62.8% 75.7% 54.7% 64.1% 37.9% 67.6% 36.1% 2020 1/1 1.0 5.0 68.5% 54.1% 57.1% 36.4% 50.0% 55.1% 31.7%
23 2021 34/39 8.6 2.8 63.1% 75.2% 51.5% 64.1% 39.6% 66.7% 32.8% 2021 1/1 1.0 1.0 76.4% 54.8% 61.5% 42.9% 25.0% 56.4% 32.7%
24 2022 27/27 5.8 2.4 63.3% 67.2% 50.0% 51.3% 41.3% 61.0% 35.3% 2022 12/12 1.6 4.8 72.4% 60.0% 43.6% 59.6% 35.7% 55.2% 36.0%
25 2023 51/52 6.7 2.7 61.0% 74.3% 53.2% 63.7% 38.7% 66.0% 37.2% —/—
26 2024 59/62 7.0 1.9 63.8% 74.2% 55.9% 66.4% 42.5% 67.4% 37.5% —/—
27 2025 42/42 6.8 2.5 61.8% 74.4% 53.7% 54.3% 37.2% 66.6% 34.6% —/—
28 2026 46/47 7.3 3.4 60.0% 75.6% 54.5% 63.6% 38.8% 67.2% 35.3% —/—
Career 336/347 7.1 2.7 62.0% 74.1% 53.5% 61.7% 40.1% 66.2% 35.6% 35/35 2.6 4.3 62.0% 62.4% 43.9% 54.8% 38.2% 55.1% 35.3%

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. 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.

Age Ugo Humbert Stefan Kozlov
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
15 2013 1490 100.2 -4.35 +1.56 0.828 46.1% 33.3% -1.33 0–1 1–0 +0.13
16 2014 1454 100.0 +0.67 0.00 0.813 45.3% 0.0% -3.00 -0.04
17 2015 1420 101.3 -5.76 -0.97 0.718 41.8% 0.0% -3.50 +0.21
18 2016 1481 107.5 -3.43 +1.33 0.891 48.1% +119 54.5% +0.09 1–0 -0.03
19 2017 1521 108.9 2017 1550 118.7 -5.47 -0.25 0.757 44.9% -74 +123 21.7% -1.70 2–1 (67%) 0–3 (0%) +0.21
20 2018 1583 117.0 -0.01 -1.69 0.929 49.2% +35 46.7% -0.13 1–1 2–3 (40%) +0.26 2018 1528 106.2 +0.19 -0.20 0.570 40.2% 0.0% -3.50 -0.08
21 2019 1738 138.2 +0.23 -0.77 0.982 50.0% -41 -233 +25 48.4% +0.02 3–11 (21%) 8–12 (40%) +0.06 2019 1514 100.9
22 2020 1937 154.9 +3.15 +0.69 1.113 51.9% -27 -367 60.4% +0.54 9–6 (60%) 14–6 (70%) -0.98 2020 1514 104.1 -1.24 +2.90 0.705 43.9% 33.3% -2.33 0–1 1–0 -0.06
23 2021 1848 142.6 +2.39 -2.31 0.985 49.8% -20 -343 +37 49.0% -0.05 10–8 (56%) 15–11 (58%) -2.32 2021 1550 110.6 +2.69 +0.42 0.749 44.9% 0.0% -3.00 +0.04
24 2022 1716 123.9 -1.77 -0.68 0.907 48.3% +15 -241 +90 39.0% -0.69 3–8 (27%) 5–8 (38%) -0.27 2022 1530 118.4 -4.38 +0.86 0.803 45.9% +20 32.3% -1.48 2–0 1–1 -0.54
25 2023 1930 155.1 +1.73 +1.71 1.094 51.4% +34 -446 -155 54.7% +0.38 11–10 (52%) 12–14 (46%) -0.34 2023 1458 91.9
26 2024 1939 159.9 +3.19 +1.83 1.151 52.4% +68 -375 -94 59.5% +0.80 12–13 (48%) 10–14 (42%) +1.62 2024 1433 92.7
27 2025 1865 147.6 +1.66 -0.45 1.036 50.7% +105 -314 -84 57.8% +0.32 2–7 (22%) 11–8 (58%) +0.80 2025 1436 101.4
28 2026 1780 143.7 +2.36 -0.10 1.078 51.4% +50 -187 +40 54.9% +0.23 6–10 (38%) 14–10 (58%) +0.91 2026 1418 97.5
Career 2039 152.9 +1.81 +0.19 1.053 51.0% +29 -313 -11 53.7% +0.26 57–74 (44%) 91–86 (51%) 97.6 -0.08 1674 113.0 -4.10 +0.48 0.784 45.4% -15 +121 28.4% -1.58 5–3 (63%) 3–4 (43%) 104.8 -0.46

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.