ATP tennis predict — Olle Wallin vs Matthew William Donald

Challenger Clay Bonn challenger · qualification - round of 16

Predicted probability

Olle Wallin

Sweden

57.57%

Matthew William Donald

Czech Republic

42.43%

Average Odds

1.63 / 2.16

Market probability

56.99% / 43.01%

Why This Prediction?

Olle Wallin is the favorite because he has a higher Elo rating on clay courts (1653 vs 1560), a higher Elo rating (1636 vs 1551) and fewer double faults per game (0.10 vs 0.24).

Player Comparison

1636.4 Elo 1550.5

1653.3 Elo (surface) 1560.4

22 Wins (Challenger) 11

18 Wins (surface) 8

9 Last 15 form 10

0 Head-to-head wins 0

0.956 Dominance ratio 0.980

419 Rank 496

None Age 21.7

right Hand right

Performance vs. the Odds

Career record grouped by how big a favorite the market made each player, based on their average odds.

Olle Wallin

Heavy favorite (odds below 1.30) 8W–0L · 100.0%

Favorite (odds 1.30-1.80) 4W–2L · 66.7%

Even match (odds 1.80-2.20) 2W–1L · 66.7%

Underdog (odds 2.20-4.00) 4W–3L · 57.1%

Heavy underdog (odds above 4.00) 0W–2L · 0.0%

26 matches with market odds since 2026-06-15.

Matthew William Donald

Heavy favorite (odds below 1.30) 2W–0L · 100.0%

Favorite (odds 1.30-1.80) 3W–1L · 75.0%

Even match (odds 1.80-2.20) 0W–2L · 0.0%

Underdog (odds 2.20-4.00) 2W–5L · 28.6%

Heavy underdog (odds above 4.00) 0W–1L · 0.0%

16 matches with market odds since 2026-05-31.

Serve & Return

Serve and return win rates from each player's last 10 matches at the selected level.

Olle Wallin Matthew William Donald

1st Serve In %

62.3%

—

1st Serve Points Won %

68.3%

—

2nd Serve Points Won %

55.7%

—

Return Points Won vs 1st Serve %

26.4%

—

Return Points Won vs 2nd Serve %

41.0%

—

Aces per Service Game

0.46

—

Double Faults per Service Game

0.00

—

Based on each player's last 10 ATP/Grand Slam matches.

1st Serve In %

60.3%

61.9%

1st Serve Points Won %

71.5%

64.7%

2nd Serve Points Won %

47.6%

49.0%

Return Points Won vs 1st Serve %

34.1%

28.9%

Return Points Won vs 2nd Serve %

53.4%

48.4%

Aces per Service Game

0.36

0.22

Double Faults per Service Game

0.28

0.37

Based on each player's last 10 Challenger matches.

Break Point Performance

How each player handles the biggest points - break points saved serving, and converted returning - from their last 10 matches at the selected level.

Olle Wallin Matthew William Donald

Break Points Saved %

38.5%

—

Break Points Converted %

45.5%

—

Based on each player's last 10 ATP/Grand Slam matches.

Break Points Saved %

55.7%

53.4%

Break Points Converted %

37.2%

41.8%

Based on each player's last 10 Challenger matches.

Head-to-Head

Olle Wallin 0 – 0 Matthew William Donald

Clay Bonn challenger · 2026-07-27

qualification - round of 16

Olle Wallin #386

Matthew William Donald #455

7-6 6-3

4 Aces 3

2 Double Faults 3

79 Service Points 76

48 First Serve In 53

38 First Serve Won 39

20 Second Serve Won 9

3 Break Points Saved 3

3 Break Points Faced 4

- Winners -

- Unforced Errors -

1.6 Average Odds 2.2

Olle Wallin vs Matthew William Donald — Prediction