ATP tennis predict — Guido Ivan Justo vs Juan Manuel La Serna

Challenger Clay Santa Cruz De La Sierra challenger · R16 16:00

Predicted probability

Guido Ivan Justo

Argentina

51.89%

Juan Manuel La Serna

Argentina

48.11%

Average Odds

1.54 / 2.25

Market probability

59.37% / 40.63%

Why This Prediction?

This is a very close match — there is no significant statistical edge for either player.

Player Comparison

1749.1 Elo 1679.4

1765.8 Elo (surface) 1687.8

92 Wins (Challenger) 47

92 Wins (surface) 45

10 Last 15 form 9

1 Head-to-head wins 1

1.020 Dominance ratio 0.855

188 Rank 285

28.8 Age 22.7

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.

Guido Ivan Justo

Heavy favorite (odds below 1.30) 1W–0L · 100.0%

Favorite (odds 1.30-1.80) 8W–4L · 66.7%

Even match (odds 1.80-2.20) 1W–1L · 50.0%

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

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

23 matches with market odds since 2026-05-25.

Juan Manuel La Serna

Heavy favorite (odds below 1.30) 1W–2L · 33.3%

Favorite (odds 1.30-1.80) 6W–0L · 100.0%

Even match (odds 1.80-2.20) 3W–1L · 75.0%

Underdog (odds 2.20-4.00) 0W–3L · 0.0%

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

16 matches with market odds since 2026-06-25.

Serve & Return

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

Guido Ivan Justo Juan Manuel La Serna

1st Serve In %

59.5%

64.7%

1st Serve Points Won %

52.1%

57.6%

2nd Serve Points Won %

50.0%

Return Points Won vs 1st Serve %

23.1%

22.7%

Return Points Won vs 2nd Serve %

45.7%

20.0%

Aces per Service Game

0.11

0.25

Double Faults per Service Game

0.11

0.38

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

1st Serve In %

—

62.4%

1st Serve Points Won %

—

64.3%

2nd Serve Points Won %

—

49.8%

Return Points Won vs 1st Serve %

—

30.4%

Return Points Won vs 2nd Serve %

—

48.6%

Aces per Service Game

0.17

0.23

Double Faults per Service Game

0.28

0.16

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.

Guido Ivan Justo Juan Manuel La Serna

Break Points Saved %

18.8%

55.6%

Break Points Converted %

36.4%

0.0%

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

Break Points Saved %

58.7%

47.7%

Break Points Converted %

48.1%

26.4%

Based on each player's last 10 Challenger matches.

Head-to-Head

Guido Ivan Justo 1 – 1 Juan Manuel La Serna

Clay Campinas CH · 2026-04-06

R16

Guido Ivan Justo #269

Juan Manuel La Serna #346

6-4 6-3

0 Aces 0

2 Double Faults 2

63 Service Points 77

47 First Serve In 46

31 First Serve Won 25

9 Second Serve Won 15

5 Break Points Saved 7

6 Break Points Faced 11

- Winners -

- Unforced Errors -

- Average Odds -

Clay Sao Leopoldo CH · 2026-03-30

R32

Juan Manuel La Serna #355

Guido Ivan Justo #270

7-6(4) 2-6 6-2

4 Aces 0

2 Double Faults 1

80 Service Points 98

49 First Serve In 65

32 First Serve Won 40

15 Second Serve Won 12

2 Break Points Saved 10

7 Break Points Faced 15