Simona Halep

Elo: 1539Age: 34

3 - 10

Head-to-Head

Serena Williams

Elo: 1633Age: 44

Match Prediction

Simona

Halep

Overall: 1539

Hard: 1475

Serena

Williams

Overall: 1633

Hard: 1791

String Tension Elo Prediction:

28.4%

71.6%

Implied Odds:

Williams: -252

ELO Comparison

Match History (13 Matches)

Showing 1 to 10 of 13 matches

Date	Tourn.Tournament	Winner	Score
Feb 8, 2021	Australian Open\| Quarter-Final Hard	Serena Williams	66 33
Jul 1, 2019	Wimbledon\| Final Grass	Simona Halep	66 22
Jan 14, 2019	Australian Open\| Round of 16 Hard	Serena Williams	646 164
Aug 29, 2016	US Open\| Quarter-Final Hard	Serena Williams	646 263
Mar 7, 2016	Indian Wells\| Quarter-Final Hard	Serena Williams	66 43
Aug 17, 2015	Cincinnati\| Final Hard	Serena Williams	67 36(5)
Mar 23, 2015	Miami\| Semi-Final Hard	Serena Williams	647 265
Mar 9, 2015	Indian Wells\| Semi-Final Hard	Simona Halep	—
Oct 20, 2014	WTA Finals\| Final Hard	Serena Williams	66 30
Oct 20, 2014	WTA Finals\| Round Robin Hard	Simona Halep	66 02

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Detailed Stats Comparison

2025 Season Stats

Simona Halep

Serena Williams

Simona Halep

Season Comparison

Serena Williams

0-1

3-4

43%

Serve Statistics

1.0

Aces/Match

8.0

1.0

Double Faults/Match

4.7

76%

1st Serve %

65%

38%

1st Serve Won %

68%

38%

2nd Serve Won %

35%

Return Statistics

28%

Return Points Won %

41%

0.0/1.0 (0%)

Break Point Offense

3.4/8.4 (41%)

0.0/5.0 (0%)

Break Point Defense

6.4/10.6 (61%)

Note: Season stats are from the 2025 season.