Match Info

CHALLENGER MEN - SINGLES: San Diego 2 - Qualification, hard - Semi-finals

Date: 20 September 2026, Sunday


	Erik Arutiunian		Luca Staeheli

	1	2
			Watch
	1.48	2.40
	1.49	2.45	Watch
	1.65	2.1	Watch
	1.54	2.32	Watch
	1.55	2.25
Avarage Now (Initially)	1.54 ↓ (1.84)	2.3 ↑ (1.84)

The most likely Over/Under: 22.00

The best margin for this event is 7.9%, offered by

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Current Win Probability

Erik Arutiunian
59.9%

Luca Staeheli
40.1%

Initial Probability (when we started the analysis)

50%

Our Initial ML Estimation

44.6%

55.4%

Analysis of Changes in Winning Probabilities:

Erik Arutiunian has improved its chances compared to the initial analysis. (+9.9%)

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

Luca Staeheli has seen a decrease in its chances compared to the initial analysis. (-9.9%)

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

ML Model estimates a lower probability for Erik Arutiunian than the current prediction. (-15.3%)

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

ML Model estimates a higher probability for Luca Staeheli than the current prediction. (+15.3%)

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

Erik Arutiunian - Luca Staeheli Predictions

Expected Score (Market Odds): 2:0

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Arutiunian is ranked ATP: 600., and Staeheli is ranked ATP: 456..

In recent outings, Arutiunian has recorded mixed results (last 5 matches: 3 wins).

Staeheli is in good shape currently (last 5 matches: 4 wins).

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

Last Results with these Odds

Erik Arutiunian - the odds 1.84 are the expected chance of winning is 50%, but this team recently wins 33% of matches with these odds.

Form

✺ - easy match; ✺ - difficult match;

- Erik Arutiunian
ATP Challenger
15.09.26	Braden Shick - Erik Arutiunian	2:0 ✺
14.09.26	Spencer Johnson - Erik Arutiunian	0:2 ✺
13.09.26	Nicholas Godsick - Erik Arutiunian	0:2 ✺
13.08.26	Erik Arutiunian - Masamichi Imamura	0:2 ✺
11.08.26	Sanhui Shin - Erik Arutiunian	1:2 ✺
Form Coefficient (based on results and difficulties of last matches) - 9.6 LWWLW
- Luca Staeheli
ATP Challenger
15.09.26	Luca Staeheli - Sebastian Gorzny	0:2 ✺
14.09.26	Luca Staeheli - Roger Pascual Ferra	2:1 ✺
13.09.26	Luca Staeheli - Maxwell Exsted	2:1 ✺
19.08.26	Luca Staeheli - Juan Manuel La Serna	Staeheli L. Retired ✺
18.08.26	Luca Staeheli - Andrey Chepelev	2:0 ✺
Form Coefficient (based on results and difficulties of last matches) - 8.1 LWW?W

Erik Arutiunian - Luca Staeheli: Predictions, Live Scores & TV Guide

Match Info

Current Win Probability

Erik Arutiunian - Luca Staeheli Predictions

Preview

Last Results with these Odds

Form

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