H2H data updated: 2026-09-14 00:00 UTC

Nicole Gibbs vs Valentini Grammatikopoulou H2H: 1-0

Nicole Gibbs holds a 1–0 lead over Valentini Grammatikopoulou in their WTA head-to-head. Across 1 main-draw meeting, Nicole Gibbs leads 1–0 on hard courts. Most recently, Nicole Gibbs won the 2017 Hong Kong Open first round 4-6 6-2 7-5.

United States Age 33 Right-Handed 168 cm / 5'6"
H2H
1 0
1 main-draw meetings
Greece Age 29 Right-Handed 164 cm / 5'5"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Nicole Gibbs #114 4-6 6-2 7-5 Valentini Grammatikopoulou #207 Match data Oct 12, 2017* R32 Hong Kong Open International modern equivalent WTA 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
Nicole Gibbs #175 #68 946 1,690 33 59 35.9% 0 0 0 0 0 0
Valentini Grammatikopoulou #470 #143 443 1,614 2 15 11.8% 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 Nicole Gibbs Valentini Grammatikopoulou
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
19 2012 2–4 33.3% #222 1,504 0 0
20 2013 1–2 33.3% #185 1,509 0 0 2017 0–2 0.0% #209 1,531 0 0
21 2014 5–6 45.5% #96 1,546 0 0 2018 1–6 14.3% #171 1,582 0 0
22 2015 4–11 26.7% #109 1,504 0 0
23 2016 12–15 44.4% #89 1,579 0 0
24 2017 7–12 36.8% #109 1,545 0 0 2021 1–3 25.0% #183 1,525 0 0
25 2018 1–6 14.3% #123 1,512 0 0 2022 0–1 0.0% #198 1,556 0 0
26 2019 1–2 33.3% #126 1,579 0 0 2023 0–2 0.0% #220 1,468 0 0
27 2020 0–1 0.0% #172 1,573 0 0
29 2026 0–1 0.0% #470 1,416 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 Nicole Gibbs Valentini Grammatikopoulou
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 %
19 2012 2 4 6 33.3%
20 2013 1 2 3 33.3% 2017 0 2 2 0.0%
21 2014 5 4 9 55.6% 0 2 2 0.0% 2018 0 3 3 0.0% 1 2 3 33.3% 0 1 1 0.0%
22 2015 3 6 9 33.3% 1 3 4 25.0% 0 2 2 0.0%
23 2016 11 12 23 47.8% 1 2 3 33.3% 0 1 1 0.0%
24 2017 7 11 18 38.9% 0 1 1 0.0% 2021 1 2 3 33.3% 0 1 1 0.0%
25 2018 1 5 6 16.7% 0 1 1 0.0% 2022 0 1 1 0.0%
26 2019 1 2 3 33.3% 2023 0 2 2 0.0%
27 2020 0 1 1 0.0%
29 2026 0 1 1 0.0%
Career 31 47 78 39.7% 2 9 11 18.2% 0 3 3 0.0% 1 8 9 11.1% 1 6 7 14.3% 0 1 1 0.0%

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 83/94 of Nicole Gibbs's and 16/17 of Valentini Grammatikopoulou'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 Nicole Gibbs Valentini Grammatikopoulou
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%
19 2012 6/6 0.7 2.3 56.5% 54.1% 41.4% 46.9% 35.9% 48.3% 39.5% —/—
20 2013 3/3 1.0 3.7 57.4% 53.7% 40.6% 46.8% 39.6% 48.2% 45.0% 2017 1/2 0.0 7.0 63.2% 62.7% 33.3% 56.3% 33.3% 51.9% 41.5%
21 2014 9/11 1.1 4.7 55.4% 61.2% 46.0% 53.0% 53.3% 54.7% 37.3% 2018 7/7 0.3 4.1 70.5% 49.1% 37.6% 40.6% 46.1% 45.5% 41.3%
22 2015 11/15 1.1 5.0 55.5% 58.8% 49.3% 51.0% 46.2% 54.6% 43.3% —/—
23 2016 25/29 1.3 3.1 61.3% 63.6% 43.8% 50.2% 48.1% 55.9% 44.7% —/—
24 2017 18/19 1.1 3.3 60.2% 58.8% 42.9% 52.5% 38.7% 52.3% 40.6% 2021 4/4 1.0 3.0 70.1% 48.9% 42.3% 40.7% 52.5% 46.7% 45.2%
25 2018 7/7 0.1 2.4 59.6% 59.6% 41.8% 40.3% 37.7% 52.4% 35.7% 2022 1/1 0.0 0.0 69.6% 41.0% 52.9% 54.5% 50.0% 44.6% 36.5%
26 2019 3/3 0.7 3.0 59.6% 56.6% 40.1% 59.7% 34.7% 50.1% 44.6% 2023 2/2 0.5 2.5 57.6% 42.3% 41.9% 48.1% 50.5% 42.1% 51.0%
27 2020 1/1 6.0 2.0 60.4% 70.3% 50.0% 62.5% 40.0% 62.3% 33.3% —/—
29 —/— 2026 1/1 0.0 7.0 54.0% 53.7% 40.0% 40.0% 45.5% 47.4% 48.2%
Career 83/94 1.1 3.4 58.9% 60.1% 44.0% 50.4% 43.7% 53.6% 41.6% 16/17 0.4 3.8 67.3% 48.8% 40.1% 43.4% 47.7% 45.8% 43.6%

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 Nicole Gibbs Valentini Grammatikopoulou
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
19 2012 1505 109.0 -2.02 +0.08 0.764 44.2% +11 30.8% -1.92 1–0 +0.35
20 2013 1509 106.7 -1.19 -0.03 0.868 46.6% +9 42.9% -1.00 0–1 1–0 +0.09 2017 1532 107.1 -2.34 -1.66 0.863 46.7% 20.0% -1.20 0–1 0–2 +0.04
21 2014 1547 108.6 -2.13 -2.66 0.824 46.3% +25 44.4% -0.93 3–2 (60%) 1–1 +0.29 2018 1582 104.4 -5.30 -1.51 0.758 43.4% -17 +21 23.5% -2.29 1–2 (33%) +0.22
22 2015 1504 106.2 -2.08 +0.98 0.955 49.1% +51 -19 30.3% -1.06 1–2 (33%) 0–5 (0%) 94.8 +0.39 2019 1525 93.4
23 2016 1579 124.9 -0.86 +1.29 1.013 50.2% +27 -135 45.8% -0.20 2–5 (29%) 0–1 +0.37 2020 1555
24 2017 1546 114.2 -2.56 -1.08 0.851 46.5% +3 37.2% -1.12 3–4 (43%) 3–0 (100%) +0.04 2021 1526 105.4 -2.51 -1.06 0.847 46.1% -6 33.3% -1.33 0–1 -0.11
25 2018 1513 110.7 +0.08 -2.80 0.750 44.4% +14 20.0% -2.00 0–1 0–1 -0.28 2022 1556 91.4 -0.23 -0.22 0.660 40.7% 0.0% -4.50 -0.02
26 2019 1579 116.8 +0.94 +1.74 0.894 47.3% +1 42.9% -0.71 0–1 -0.37 2023 1468 99.6 -0.46 -0.63 0.881 46.7% 0.0% -2.25 0–1 +0.20
27 2020 1573 109.7 -1.74 +0.55 0.883 48.1% 33.3% -1.00 0–1 +0.13 2024 1435 98.5
28 2025 1423 98.5
29 2026 1416 103.0 -3.14 +0.34 0.916 47.8% 0.0% -1.50 0–1 +0.04
Career 1690 120.8 -1.49 -0.17 0.895 47.6% +20 -69 38.2% -0.92 10–17 (37%) 5–8 (38%) 92.7 +1.11 1615 101.0 -3.36 -1.10 0.806 44.8% -12 +21 20.5% -2.00 1–4 (20%) 0–4 (0%) 92.3 +2.18

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.