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Nikola Bartunkova v Elise Mertens: stats compared | Lineball
Mertens wins on first serve in %. Bartunkova’s case rests on aces, but it isn’t enough to swing it. WTA Tour career: Bartunkova 52 matches, Mertens 551 matches.
Mertens has the better first serve in %: 59 to Bartunkova’s 52.4.
Bartunkova averages 4.4 aces a match to Mertens’ 3.5 (24% more).
Mertens averages 0.9 sets lost a match to Bartunkova’s 1.1.
Longevity: Mertens has 551 matches across 11 seasons, Bartunkova 52 in 4 — the averages matter more than the totals here.
Built only from games in our stats database. A read of the numbers, not a tip.
Tale of the tape
Per game. Totals and best single game underneath.
–Titlesper game0.010 total · best 1
52.4First serve in %59.0
68.5First-serve points won %67.0
56.1Break points saved %56.2
43.0Return points won %45.6
4.4229 total · best 13Acesper game3.51,950 total · best 14
12.0623 total · best 19
Head to head
13 matches since 20262
Hard · 2 matchesBartunkova 0Mertens 2
Grass · 1 matchBartunkova 1Mertens 0
Grand Slams · 1 matchBartunkova 0Mertens 1
Last meetings
24 Aug 2026 · Monterrey · Semifinal · HardMertens won 1-6 6-4 6-2
15 June 2026 · Berlin · Round of 16 · GrassBartunkova won 6-1 6-4
18 Jan 2026 · Australian Open · Round of 32 · HardMertens won 6-0 6-4
Last 10 games
Titles, oldest to newest.
Bartunkova––––––––––
Mertens––––––––––
Games wonper game
11.56,319 total · best 21
45.4Break points converted %46.8
54.3Sets won %59.0
51.5Games won %54.1
–Finalsper game0.017 total · best 1
1.369 total · best 2Sets wonper game1.4746 total · best 2
1.158 total · best 2Sets lostper game · lower is better0.9518 total · best 2
11.3587 total · best 18Games lostper game · lower is better9.75,369 total · best 23
0.317 total · best 2Tiebreaksper game0.2123 total · best 3
4.7244 total · best 13Double faultsper game · lower is better4.52,499 total · best 19