Match Info

CHALLENGER MEN - SINGLES: Buenos Aires 3, clay - 1/16-finals

Date: 22 September 2026, Tuesday


	Eduardo Ribeiro		Pedro Martinez Portero

	1	2
			Watch
	4.50	1.17
	4.4	1.17	Watch
	4.5	1.16	Watch
	5	1.17
	4.9	1.13	Watch
	4.6	1.15
Avarage Now (Initially)	4.65 ↑ (2.72)	1.16 ↓ (1.39)

The most likely Over/Under: 20.00

The best margin for this event is 5.5%, offered by

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Current Win Probability

Eduardo Ribeiro
19.9%

Pedro Martinez Portero
80.1%

Initial Probability

(when we started the analysis)

33.8%

66.2%

Our Initial ML Estimation

36.4%

63.6%

Analysis of Changes in Winning Probabilities:

Eduardo Ribeiro has seen a decrease in its chances compared to the initial analysis. (-13.9%)

Note: This is a significant drop in prediction, indicating that Eduardo Ribeiro's form might have worsened.

Pedro Martinez Portero has improved its chances compared to the initial analysis. (+13.9%)

Note: This is a significant improvement in prediction, suggesting Pedro Martinez Portero's recent form is better than expected.

ML Model estimates a higher probability for Eduardo Ribeiro than the current prediction. (+16.5%)

Note: The ML model's higher estimate suggests a strong performance forecast for Eduardo Ribeiro, possibly due to key factors that the model accounted for.

ML Model estimates a lower probability for Pedro Martinez Portero than the current prediction. (-16.5%)

Note: The ML model's lower estimate suggests a potential downturn for Pedro Martinez Portero, possibly due to injuries or other negative factors.

Who will win by Users?

1	X	2
25%	0%	75%

Eduardo Ribeiro - Pedro Martinez Portero Predictions

Users Predictions: 4 users predict this event. Ribeiro will win (votes: 1 - 25%). Martinez Portero will win (votes: 3 - 75%).

Expected Score (Market Odds): 0:2

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Preview

Ribeiro is ranked ATP: 361., and Martinez Portero is ranked ATP: 132..

In recent outings, Ribeiro has recorded mixed results (last 5 matches: 2 wins).

Martinez Portero shows confident form ahead of this contest (last 5 matches: 4 wins).

Martinez Portero may face physical fatigue compared to their opponent, having played more matches in recent days.

Martinez Portero carries the favorite tag into this contest.

These two players have no recorded direct encounters in recent history.

Last Results with these Odds

Pedro Martinez Portero - the odds 1.39 are the expected chance of winning is 66.18%, but this team recently wins 56% of matches with these odds.

Form

✺ - easy match; ✺ - difficult match;

- Eduardo Ribeiro
ATP Challenger
01.09.26	Pedro Vives Marcos - Eduardo Ribeiro	2:0 ✺
31.08.26	Eduardo Ribeiro - Jelle Sels	2:1 ✺
30.08.26	Eduardo Ribeiro - Nicolas Barrientos	2:0 ✺
24.08.26	Sandro Kopp - Eduardo Ribeiro	2:1 ✺
17.08.26	Eduardo Ribeiro - Sumit Nagal	0:2 ✺
Form Coefficient (based on results and difficulties of last matches) - 2.6 LWWLL
- Pedro Martinez Portero
ATP Challenger
13.09.26	Thiago Seyboth Wild - Pedro Martinez Portero	2:0 ✺
12.09.26	Laslo Djere - Pedro Martinez Portero	1:2 ✺
11.09.26	Pedro Martinez Portero - Valerio Aboian	2:0 ✺
09.09.26	Pedro Martinez Portero - Maximo Zeitune	2:0 ✺
08.09.26	Pedro Martinez Portero - Francesco Forti	2:0 ✺
Form Coefficient (based on results and difficulties of last matches) - 8.2 LWWWW

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