Match Info

ATP - SINGLES: French Open - Qualification, clay - Quarter-finals

Date: 19 May 2026, Tuesday

Location: Stade Roland-Garros (Paris)


	Rei Sakamoto		Pedro Martinez Portero

	1	2
	1.73	2
	1.71	2.02
	1.8	2.08
	1.77	2	Watch
	1.73	2
	1.77	2.08	Watch
Avarage Now (Initially)	1.75 ↑ (1.57)	2.03 ↓ (2.25)

The best margin for this event is 3.6%, offered by

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Current Win Probability

Rei Sakamoto
53.7%

Pedro Martinez Portero
46.3%

Initial Probability

(when we started the analysis)

58.9%

41.1%

Our Initial ML Estimation

53.1%

46.9%

Analysis of Changes in Winning Probabilities:

Rei Sakamoto has seen a decrease in its chances compared to the initial analysis. (-5.2%)

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

Pedro Martinez Portero has improved its chances compared to the initial analysis. (+5.2%)

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

ML Model estimates a lower probability for Rei Sakamoto than the current prediction. (-0.6%)

ML Model estimates a higher probability for Pedro Martinez Portero than the current prediction. (+0.6%)

Who will win by Users?

1	X	2
14.3%	0%	85.7%

Rei Sakamoto - Pedro Martinez Portero Predictions

Users Predictions: 7 users predict this event. Sakamoto will win (votes: 1 - 14.3%). Martinez Portero will win (votes: 6 - 85.7%).

Verified Performance Core (Selected Experts): 1 Selected Experts predict this event. Martinez Portero (votes: 1 - 100%).

Expected Score (Market Odds): 2:0

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Preview

Sakamoto is ranked ATP: 156. Martinez Portero is ranked ATP: 136.

Sakamoto is showing really good form (last 5 games: 4 wins).

Martinez Portero has suffered multiple defeats recently (in the last 5 games, wins – 0).

Martinez Portero may have a physical advantage due to more rest days in recent times.

Sakamoto is expected to have a slight advantage in this match.

Recently, there has been no match between the players.

Last Results with these Odds

Pedro Martinez Portero - the odds 2.25 are the expected chance of winning is 41.1%, but this team recently wins 33% of matches with these odds.

Form

✺ - easy match; ✺ - difficult match;

- Rei Sakamoto
ATP Challenger
14.05.26	Alex Molcan - Rei Sakamoto	2:0 ✺
13.05.26	Rei Sakamoto - Alexandre Muller	2:1 ✺
12.05.26	Rei Sakamoto - Chun Hsin Tseng	2:0 ✺
11.05.26	Rei Sakamoto - Matteo Martineau	2:1 ✺
29.04.26	Rei Sakamoto - Gianluca Cadenasso	Canceled ✺
Form Coefficient (based on results and difficulties of last matches) - 7.7 LWWW?
- Pedro Martinez Portero
ATP Challenger
13.05.26	Roberto Bautista-Agut - Pedro Martinez Portero	2:0 ✺
ATP Roma
04.05.26	Pedro Martinez Portero - Jesper De Jong	0:2 ✺
ATP Challenger
29.04.26	Pedro Martinez Portero - Valentin Royer	0:2 ✺
ATP Madrid
20.04.26	Daniel Vallejo - Pedro Martinez Portero	2:0 ✺
ATP Barcelona
14.04.26	Pedro Martinez Portero - Lorenzo Sonego	1:2 ✺
Form Coefficient (based on results and difficulties of last matches) - 0 LLLLL

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