Match Info

CHALLENGER MEN - SINGLES: Yokohama, hard - Semi-finals

Date: 21 November 2025, Friday


	Akira Santillan		Rei Sakamoto

	1	2
	2.63	1.44	Watch
			Watch
	2.5	1.47	Watch
	2.34	1.54	Watch
			Watch
	2.45	1.49	Watch
	2.57	1.54
Avarage Now (Initially)	2.5 ↑ (2.32)	1.5 ↓ (1.54)

The best margin for this event is 3.8%, offered by

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Current Win Probability

Akira Santillan
37.5%

Rei Sakamoto
62.5%

Initial Probability

(when we started the analysis)

39.9%

60.1%

Our Initial ML Estimation

36.4%

63.6%

Analysis of Changes in Winning Probabilities:

Akira Santillan has seen a decrease in its chances compared to the initial analysis. (-2.4%)

Rei Sakamoto has improved its chances compared to the initial analysis. (+2.4%)

ML Model estimates a lower probability for Akira Santillan than the current prediction. (-1.1%)

ML Model estimates a higher probability for Rei Sakamoto than the current prediction. (+1.1%)

Who will win by Users?

1	X	2
50%	0%	50%

Akira Santillan - Rei Sakamoto Predictions

Users Predictions: 8 users predict this event. Santillan will win (votes: 4 - 50%). Sakamoto will win (votes: 4 - 50%).
Confidence interval (95%) for Santillan: 15.4% – 84.6%.

Verified Performance Core (Selected Experts): 4 Selected Experts predict this event. Santillan (votes: 2 - 50%). Sakamoto (votes: 2 - 50%).

Expected Score (Market Odds): 0:2

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Preview

Santillan is ranked ATP: 348. Sakamoto is ranked ATP: 176.

Currently, both players are in excellent shape.

Sakamoto will hold a modest advantage in this match.

We predict that Sakamoto will win today's game, with odds of 1.51.

Recently, there has been no match between the players.

Form

✺ - easy match; ✺ - difficult match;

- Akira Santillan
ATP Challenger
20.11.25	Yusuke Kusuhara - Akira Santillan	0:2 ✺
18.11.25	Akira Santillan - Kaylan Bigun	2:0 ✺
16.11.25	Akira Santillan - Masamichi Imamura	2:0 ✺
09.11.25	Akira Santillan - Max Basing	0:2 ✺
09.11.25	Akira Santillan - Taisei Ichikawa	2:0 ✺
Form Coefficient (based on results and difficulties of last matches) - 5.1 WWWLW
- Rei Sakamoto
ATP Challenger
20.11.25	Yasutaka Uchiyama - Rei Sakamoto	1:2 ✺
18.11.25	Maxim Zhukov - Rei Sakamoto	0:2 ✺
17.11.25	Kasidit Samrej - Rei Sakamoto	0:2 ✺
13.11.25	Chun Hsin Tseng - Rei Sakamoto	2:1 ✺
11.11.25	Hynek Barton - Rei Sakamoto	1:2 ✺
Form Coefficient (based on results and difficulties of last matches) - 7.8 WWWLW

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