Match Info

CHALLENGER MEN - SINGLES: Oeiras 6, clay - 1/16-finals

Date: 12 May 2026, Tuesday


	Zdenek Kolar		Zhizhen Zhang

	1	2
	2.1	1.67	Watch
			Watch
	2.05	1.69	Watch
	2.11	1.78
	2.06	1.7	Watch
	2	1.73	Watch
	1.93	1.76	Watch
Avarage Now (Initially)	2.04 ↑ (2)	1.72 ↓ (1.73)

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

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Current Win Probability

Zdenek Kolar
45.7%

Zhizhen Zhang
54.3%

Initial Probability

(when we started the analysis)

46.4%

53.6%

Our Initial ML Estimation

43.5%

56.5%

Analysis of Changes in Winning Probabilities:

Zdenek Kolar has seen a decrease in its chances compared to the initial analysis. (-0.7%)

Zhizhen Zhang has improved its chances compared to the initial analysis. (+0.7%)

ML Model estimates a lower probability for Zdenek Kolar than the current prediction. (-2.2%)

ML Model estimates a higher probability for Zhizhen Zhang than the current prediction. (+2.2%)

Who will win by Users?

1	X	2
0%	0%	100%

Zdenek Kolar - Zhizhen Zhang Predictions

Users Predictions: Zhizhen Zhang will win (6 of 6 users predict this - 100%).
Confidence interval (95%): 100% – 100%.

Expected Score (Market Odds): 0:2

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Preview

Kolar is ranked ATP: 165. Zhang is ranked ATP: 239.

Both players are showing inconsistent performances lately.

Zhang may face physical challenges compared to their opponent, as they have played more matches in recent days.

The probability of winning is almost the same for both players in this match.

In the last 1 head-to-head match, Kolar won 1 match, drew 0 matches, lost 0 matches, and goals 2:1.

Form

✺ - easy match; ✺ - difficult match;

- Zdenek Kolar
ATP Challenger
06.05.26	Max Schoenhaus - Zdenek Kolar	2:0 ✺
05.05.26	Felix Gill - Zdenek Kolar	0:2 ✺
03.05.26	Nikolas Sanchez Izquierdo - Zdenek Kolar	2:0 ✺
02.05.26	Raul Brancaccio - Zdenek Kolar	0:2 ✺
01.05.26	Zdenek Kolar - Nerman Fatic	2:0 ✺
Form Coefficient (based on results and difficulties of last matches) - 8.1 LWLWW
- Zhizhen Zhang
ATP Challenger
11.05.26	Zhizhen Zhang - Cezar Cretu	2:1 ✺
11.05.26	Zhizhen Zhang - Joao Domingues	2:1 ✺
ATP Roma
06.05.26	Zhizhen Zhang - Daniel Altmaier	1:2 ✺
ATP Madrid
22.04.26	Zhizhen Zhang - Vit Kopriva	0:2 ✺
ATP Munich
14.04.26	Zhizhen Zhang - Luciano Darderi	1:2 ✺
Form Coefficient (based on results and difficulties of last matches) - 2.6 WWLLL

Latest Head to Head

ATP Challenger
01.02.23	Zhizhen Zhang - Zdenek Kolar	1:2

Zdenek Kolar - Zhizhen Zhang: Predictions, Live Scores & TV Guide