Match Info

CHALLENGER MEN - SINGLES: Istanbul 2, hard - 1/16-finals

Date: 4 August 2026, Tuesday


	Constantin Bittoun Kouzmine		Daniil Ostapenkov

	1	2
	2.35	1.53
	2.55	1.49
	2.51	1.55
	2.39	1.5	Watch
	2.39	1.51
	2.42	1.50	Watch
	2.40	1.50
Avarage Now (Initially)	2.43 ↑ (1.82)	1.51 ↓ (1.86)

The most likely Over/Under: 21.50

The best margin for this event is 4.4%, offered by

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Current Win Probability

Constantin Bittoun Kouzmine
38.3%

Daniil Ostapenkov
61.7%

Initial Probability

(when we started the analysis)

50.5%

49.5%

Our Initial ML Estimation

44.9%

55.1%

Analysis of Changes in Winning Probabilities:

Constantin Bittoun Kouzmine has seen a decrease in its chances compared to the initial analysis. (-12.2%)

Note: This is a significant drop in prediction, indicating that Constantin Bittoun Kouzmine's form might have worsened.

Daniil Ostapenkov has improved its chances compared to the initial analysis. (+12.2%)

Note: This is a significant improvement in prediction, suggesting Daniil Ostapenkov's recent form is better than expected.

ML Model estimates a higher probability for Constantin Bittoun Kouzmine than the current prediction. (+6.6%)

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

ML Model estimates a lower probability for Daniil Ostapenkov than the current prediction. (-6.6%)

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

Constantin Bittoun Kouzmine - Daniil Ostapenkov Predictions

Expected Score (Market Odds): 0:2

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Preview

Bittoun Kouzmine is ranked ATP: 424. Ostapenkov is ranked ATP: 533.

Bittoun Kouzmine is currently in amazing form (last 5 games: 4 wins).

In recent matches, Ostapenkov has shown inconsistent performance (in the last 5 games, wins – 3).

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

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

Last Results with these Odds

Constantin Bittoun Kouzmine - the odds 1.82 are the expected chance of winning is 50.51%, but this team recently wins 44% of matches with these odds.

Form

✺ - easy match; ✺ - difficult match;

- Constantin Bittoun Kouzmine
ATP Challenger
02.08.26	Constantin Bittoun Kouzmine - Gabriel Debru	1:2 ✺
01.08.26	Kenta Miyoshi - Constantin Bittoun Kouzmine	1:2 ✺
31.07.26	Constantin Bittoun Kouzmine - Manas Manoj Dhamne	2:0 ✺
30.07.26	Max Basing - Constantin Bittoun Kouzmine	1:2 ✺
28.07.26	Constantin Bittoun Kouzmine - Cem Ilkel	2:0 ✺
Form Coefficient (based on results and difficulties of last matches) - 20.6 LWWWW
- Daniil Ostapenkov
ATP Challenger
03.08.26	Koki Matsuda - Daniil Ostapenkov	2:0 ✺
02.08.26	Yurii Dzhavakian - Daniil Ostapenkov	0:2 ✺
ITF Tournaments
03.07.26	Daniil Ostapenkov - Tiago Torres	0:2 ✺
02.07.26	Lui Maxted - Daniil Ostapenkov	0:2 ✺
30.06.26	Rohan Mehra - Daniil Ostapenkov	0:2 ✺
Form Coefficient (based on results and difficulties of last matches) - 7.4 LWLWW

Latest Head to Head

ITF Tournaments
06.04.23	Daniil Ostapenkov - Constantin Bittoun Kouzmine	2:1

Constantin Bittoun Kouzmine - Daniil Ostapenkov: Predictions, Live Scores & TV Guide