ATP tennis predict — Facundo Mena vs Guido Ivan Justo

Challenger Clay Buenos Aires challenger · R16 18:30

Predicted probability

Facundo Mena

Argentina

51.08%

Guido Ivan Justo

Argentina

48.92%

Average Odds

1.58 / 2.19

Market probability

58.09% / 41.91%

Why This Prediction?

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

Player Comparison

1688.7 Elo 1682.0

1718.7 Elo (surface) 1698.2

204 Wins (Challenger) 85

179 Wins (surface) 85

10 Last 15 form 9

2 Head-to-head wins 0

1.083 Dominance ratio 1.020

220 Rank 233

34.0 Age 28.8

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.

Facundo Mena

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

Favorite (odds 1.30-1.80) 5W–4L · 55.6%

Even match (odds 1.80-2.20) 1W–0L · 100.0%

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

Heavy underdog (odds above 4.00) 1W–0L · 100.0%

20 matches with market odds since 2026-06-30.

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.

Serve & Return

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

Facundo Mena Guido Ivan Justo

1st Serve In %

60.1%

59.5%

1st Serve Points Won %

69.6%

52.1%

2nd Serve Points Won %

46.2%

50.0%

Return Points Won vs 1st Serve %

26.7%

23.1%

Return Points Won vs 2nd Serve %

41.8%

45.7%

Aces per Service Game

0.33

0.11

Double Faults per Service Game

0.22

0.11

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

1st Serve In %

63.0%

66.9%

1st Serve Points Won %

70.6%

62.1%

2nd Serve Points Won %

46.3%

50.0%

Return Points Won vs 1st Serve %

31.8%

34.0%

Return Points Won vs 2nd Serve %

48.0%

47.5%

Aces per Service Game

0.36

0.17

Double Faults per Service Game

0.30

0.18

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.

Facundo Mena Guido Ivan Justo

Break Points Saved %

54.5%

18.8%

Break Points Converted %

25.0%

36.4%

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

Break Points Saved %

64.6%

57.1%

Break Points Converted %

34.9%

45.8%

Based on each player's last 10 Challenger matches.

Head-to-Head

Facundo Mena 2 – 0 Guido Ivan Justo

Clay Buenos Aires challenger · 2026-09-23

R16

Facundo Mena #220

Guido Ivan Justo #233

6-4 7-6

5 Aces 3

4 Double Faults 4

- Service Points -

- First Serve In -

26 First Serve Won 33

22 Second Serve Won 16

5 Break Points Saved 6

7 Break Points Faced 9

- Winners -

- Unforced Errors -

1.6 Average Odds 2.2

Clay Bogota CH · 2024-08-05

R32

Facundo Mena #243

Guido Ivan Justo #505

6-0 6-4

4 Aces 1

2 Double Faults 6

50 Service Points 46

26 First Serve In 27

18 First Serve Won 15

17 Second Serve Won 7

0 Break Points Saved 3

0 Break Points Faced 7

- Winners -

- Unforced Errors -

- Average Odds -

Clay Santa Fe CH · 2024-06-03

R16

Facundo Mena #333

Guido Ivan Justo #527

7-6(2) 6-2

4 Aces 1

4 Double Faults 0

83 Service Points 68

49 First Serve In 46

30 First Serve Won 21

19 Second Serve Won 10

8 Break Points Saved 5

11 Break Points Faced 10

- Winners -

- Unforced Errors -

- Average Odds -

Facundo Mena vs Guido Ivan Justo — Prediction

Why This Prediction?

Player Comparison

Performance vs. the Odds

Serve & Return

Break Point Performance

Head-to-Head

Facundo Mena — Last 10

Guido Ivan Justo — Last 10