Marta Kostyuk vs Janice Tjen | Head-to-Head

String Tension

Marta Kostyuk

Rank: 28Elo: 1871Age: 23

0 - 0

No Meetings

Janice Tjen

Rank: 40Elo: 1507Age: 23

Match Prediction

Marta

Kostyuk

Overall: 1871

Hard: 2020

Janice

Tjen

Overall: 1507

Hard: 1550

String Tension Elo Prediction:

90.7%

9.3%

Implied Odds:

Kostyuk: -976

ELO Comparison

Prior Meetings

No Prior Meetings

These players have never faced each other at tour level.

Recent Matches

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Detailed Stats Comparison

2026 Season Stats

Marta Kostyuk

Janice Tjen

Marta Kostyuk

Season Comparison

Janice Tjen

10-4

6-11

71%

35%

Serve Statistics

3.4

Aces/Match

3.7

3.4

Double Faults/Match

3.9

60%

1st Serve %

57%

73%

1st Serve Won %

65%

49%

2nd Serve Won %

44%

Return Statistics

46%

Return Points Won %

39%

4.3/9.2 (47%)

Break Point Offense

2.5/6.2 (40%)

3.6/5.7 (63%)

Break Point Defense

3.5/7.0 (50%)

Note: Season stats are from the 2026 season.