Career 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 Too close to call — 6–8 on categories Collins wins on titles. WTA Tour career: Collins 300 matches, Mertens 551 matches.
Collins has 4 titles (one every 25 matches) to Mertens’ 10 titles (one every 33.3 matches). Longevity: Mertens has 551 matches across 11 seasons, Collins 300 in 11 — the averages matter more than the totals here. Not every stat was recorded for every match (titles, finals): those averages use only the games that logged them. Tale of the tape Per game. Totals and best single game underneath.
0.0 4 total · best 1 Titlesper game 0.0 10 total · best 1
57.0 First serve in % 59.0
67.1 First-serve points won % 67.0
58.0 Break points saved % 56.2
43.6 Return points won % 45.6
3.4 1,030 total · best 12 Acesper game 3.5 1,950 total · best 14
Head to head 4 7 matches 3
Hard · 5 matches 3 2 Clay · 1 match 1 0 Grass · 1 match 0 1 Grand Slams · 3 matches 1 2 Last meetings 1 Apr 2024 · Charleston · Quarterfinal · Clay 6-3 6-4 8 Jan 2024 · Hobart · Round of 32 · Hard 6-2 6-3 28 Aug 2023 · US Open · Round of 64 · Hard 3-6 7-6(7) 6-1 13 Feb 2023 · Doha · Round of 32 · Hard 6-4 7-6(6) 17 Jan 2022 · Australian Open · Round of 16 · Hard 4-6 6-4 6-4 27 Sept 2021 · Chicago 2 · Round of 16 · Hard 6-2 6-4 2 July 2018 · Wimbledon · Round of 128 · Grass Last 10 games Titles, oldest to newest.
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