ATP tennis predict — Guido Ivan Justo vs Franco Roncadelli

Challenger Clay Curitiba challenger · 1. round 19:00

Predicted probability

Guido Ivan Justo

Argentina

49.77%

Franco Roncadelli

Uruguay

50.23%

Average Odds

1.60 / 2.18

Market probability

57.67% / 42.33%

Why This Prediction?

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

Player Comparison

1665.7 Elo 1637.0

1682.6 Elo (surface) 1661.1

85 Wins (Challenger) 65

85 Wins (surface) 65

8 Last 15 form 7

1 Head-to-head wins 1

1.020 Dominance ratio 0.961

239 Rank 259

28.8 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.

Guido Ivan Justo

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

Favorite (odds 1.30-1.80) 5W–3L · 62.5%

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

Underdog (odds 2.20-4.00) 1W–3L · 25.0%

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

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

Franco Roncadelli

Heavy favorite (odds below 1.30) 1W–1L · 50.0%

Favorite (odds 1.30-1.80) 0W–1L · 0.0%

Even match (odds 1.80-2.20) 3W–2L · 60.0%

Underdog (odds 2.20-4.00) 2W–3L · 40.0%

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

15 matches with market odds since 2026-05-26.

Serve & Return

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

Guido Ivan Justo Franco Roncadelli

1st Serve In %

59.5%

68.4%

1st Serve Points Won %

52.1%

65.5%

2nd Serve Points Won %

50.0%

47.8%

Return Points Won vs 1st Serve %

23.1%

43.1%

Return Points Won vs 2nd Serve %

45.7%

49.2%

Aces per Service Game

0.11

0.25

Double Faults per Service Game

0.11

0.20

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

1st Serve In %

66.9%

68.0%

1st Serve Points Won %

62.1%

62.2%

2nd Serve Points Won %

50.0%

50.3%

Return Points Won vs 1st Serve %

34.0%

38.0%

Return Points Won vs 2nd Serve %

47.5%

51.0%

Aces per Service Game

0.17

0.12

Double Faults per Service Game

0.18

0.22

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 Franco Roncadelli

Break Points Saved %

18.8%

70.7%

Break Points Converted %

36.4%

56.8%

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

Break Points Saved %

57.1%

53.1%

Break Points Converted %

45.8%

48.5%

Based on each player's last 10 Challenger matches.

Head-to-Head

Guido Ivan Justo 1 – 1 Franco Roncadelli

Clay Cordoba CH · 2026-05-11

SF

Franco Roncadelli #274

Guido Ivan Justo #263

6-1 6-4

0 Aces 1

1 Double Faults 1

50 Service Points 46

39 First Serve In 27

25 First Serve Won 14

6 Second Serve Won 7

2 Break Points Saved 3

4 Break Points Faced 9

- Winners -

- Unforced Errors -

- Average Odds -

Clay Bucaramanga CH · 2026-03-23

SF

Guido Ivan Justo #280

Franco Roncadelli #332

6-2 3-1 RET

5 Aces 0

0 Double Faults 0

28 Service Points 46

18 First Serve In 32

18 First Serve Won 18

6 Second Serve Won 5

0 Break Points Saved 3

0 Break Points Faced 6