ATP tennis predict — Olle Wallin vs Niklas Guttau

Challenger Hard Hamburg challenger · qualification - round of 16 12:00

Predicted probability

Olle Wallin

Sweden

81.13%

Niklas Guttau

Germany

18.87%

Average Odds

1.27 / 3.48

Market probability

73.26% / 26.74%

Why This Prediction?

Olle Wallin is the favorite because he has a higher Elo rating (1668 vs 1421), a stronger serve (63.2% vs 55.8% of service points won) and more career match wins (26 vs 3).

Player Comparison

1668 Elo 1421.2

1515.8 Elo (surface) 1518.1

26 Wins (Challenger) 3

5 Wins (surface) 2

11 Last 15 form 3

0 Head-to-head wins 0

1.094 Dominance ratio 0.717

407 Rank 1218

None Age 26.6

right Hand left

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.

Niklas Guttau

Heavy favorite (odds below 1.30) 0W–0L · 0.0%

Favorite (odds 1.30-1.80) 1W–0L · 100.0%

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

Underdog (odds 2.20-4.00) 0W–1L · 0.0%

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

2 matches with market odds since 2026-08-09.

Serve & Return

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

Olle Wallin Niklas Guttau

1st Serve In %

62.3%

65.0%

1st Serve Points Won %

68.3%

46.2%

2nd Serve Points Won %

55.7%

25.7%

Return Points Won vs 1st Serve %

26.4%

16.3%

Return Points Won vs 2nd Serve %

41.0%

40.0%

Aces per Service Game

0.46

0.07

Double Faults per Service Game

0.00

0.50

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

1st Serve In %

60.3%

64.9%

1st Serve Points Won %

71.5%

63.6%

2nd Serve Points Won %

47.6%

47.4%

Return Points Won vs 1st Serve %

34.1%

24.6%

Return Points Won vs 2nd Serve %

53.4%

46.6%

Aces per Service Game

0.36

0.16

Double Faults per Service Game

0.28

0.36

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 Niklas Guttau

Break Points Saved %

38.5%

60.7%

Break Points Converted %

45.5%

25.0%

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

Break Points Saved %

55.7%

65.5%

Break Points Converted %

37.2%

39.5%

Based on each player's last 10 Challenger matches.

Head-to-Head

Olle Wallin 0 – 0 Niklas Guttau

Hard Hamburg challenger · 2026-08-10

qualification - round of 16

Olle Wallin #407

Niklas Guttau #1218

6-2 7-5

- Aces -

- Double Faults -

- Service Points -

- First Serve In -

- First Serve Won -

- Second Serve Won -

- Break Points Saved -

- Break Points Faced -

- Winners -

- Unforced Errors -

1.3 Average Odds 3.5

Olle Wallin vs Niklas Guttau — Prediction