Marta Kostyuk vs Janice Tjen | Head-to-Head

String Tension

Marta Kostyuk

Rank: 28Elo: 1810Age: 23

0 - 0

No Meetings

Janice Tjen

Rank: 39Elo: 1564Age: 23

Match Prediction

Marta

Kostyuk

Overall: 1810

Hard: 1995

Janice

Tjen

Overall: 1564

Hard: 1595

String Tension Elo Prediction:

84.3%

15.7%

Implied Odds:

Kostyuk: -538

Prior Meetings

No Prior Meetings

These players have never faced each other at tour level.

Recent Matches

Marta Kostyuk (0-0)

No recent matches available

Janice Tjen (0-0)

No recent matches available

Marta Kostyuk (0-0)

No recent matches available

Detailed Stats Comparison

2026 Season Stats

Marta Kostyuk

Janice Tjen

Marta Kostyuk

Season Comparison

Janice Tjen

4-2

5-7

67%

42%

Serve Statistics

4.5

Aces/Match

3.3

2.7

Double Faults/Match

3.3

63%

1st Serve %

51%

70%

1st Serve Won %

60%

56%

2nd Serve Won %

42%

Return Statistics

43%

Return Points Won %

35%

3.8/9.2 (42%)

Break Point Offense

2.1/5.3 (40%)

4.3/6.0 (72%)

Break Point Defense

3.6/6.5 (55%)

Note: Season stats are from the 2026 season.