Match Info

CHALLENGER MEN - SINGLES: Seoul, hard - Quarter-finals

Date: 29 October 2026, Thursday ⏱️ In 18h 0m 📅 Remind Me

Location: Seoul 🌤️ ... 🔵 Hard


	Rei Sakamoto		Billy Harris

	1	2
	1.22	4
	1.22	3.80
	1.22	3.85
	1.2	4	Watch
	1.22	4.2
	1.23	3.74	Watch
	1.21	3.8
Avarage Now (Initially)	1.22 ↓ (1.33)	3.91 ↑ (3.02)

The most likely Over/Under: 22.00

The best margin for this event is 5.8%, offered by

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Current Win Probability

Rei Sakamoto
76.3%

Billy Harris
23.7%

Initial Probability (when we started the analysis)

69.4%

30.6%

Our Initial ML Estimation

66.6%

33.4%

Analysis of Changes in Winning Probabilities:

Rei Sakamoto has improved its chances compared to the initial analysis. (+6.9%)

Note: This is a significant improvement in prediction, suggesting increased confidence in Rei Sakamoto's performance.

Billy Harris has seen a decrease in its chances compared to the initial analysis. (-6.9%)

Note: This is a significant drop in prediction, and Billy Harris might be facing challenges that affect their performance.

ML Model estimates a lower probability for Rei Sakamoto than the current prediction. (-9.7%)

Note: The ML model's lower estimate suggests that there may be underlying issues with Rei Sakamoto that the model has picked up on.

ML Model estimates a higher probability for Billy Harris than the current prediction. (+9.7%)

Note: The ML model's higher estimate suggests that Billy Harris could outperform expectations, possibly based on recent matchups or player stats.

Who will win by Users?

1	X	2
0%	0%	0%

Rei Sakamoto - Billy Harris Predictions

Expected Score (Market Odds): 2:0

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Preview

Sakamoto is ranked ATP: 125., and Harris is ranked ATP: 252..

Sakamoto is in solid form heading into this fixture (last 5 matches: 4 wins).

Harris has shown an inconsistent pattern in recent weeks (last 5 matches: 2 wins).

Harris could enjoy a physical edge thanks to more rest days ahead of this match.

In this matchup, Sakamoto is considered the favorite to take the win.

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

Form

✺ - easy match; ✺ - difficult match;

- Rei Sakamoto
ATP Challenger
28.10.26	Zhizhen Zhang - Rei Sakamoto	0:2 ✺
26.10.26	Rei Sakamoto - Kasidit Samrej	2:0 ✺
ATP Almaty
20.10.26	Rei Sakamoto - Karen Khachanov	0:2 ✺
18.10.26	Gabriel Diallo - Rei Sakamoto	1:2 ✺
17.10.26	Amir Omarkhanov - Rei Sakamoto	0:2 ✺
Form Coefficient (based on results and difficulties of last matches) - 6.9 WWLWW
- Billy Harris
ATP Challenger
27.10.26	Billy Harris - Aleksandar Vukic	2:0 ✺
26.10.26	Jangjun Kim - Billy Harris	0:2 ✺
14.10.26	Matisse Bobichon - Billy Harris	2:0 ✺
ATP Shanghai
05.10.26	Billy Harris - Dalibor Svrcina	1:2 ✺
ATP Challenger
29.09.26	Billy Harris - Felix Balshaw	1:2 ✺
Form Coefficient (based on results and difficulties of last matches) - 7.8 WWLLL

Rei Sakamoto - Billy Harris

Match Info

Current Win Probability

Who will win by Users?

Rei Sakamoto - Billy Harris Predictions

Preview

Form

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