Match Info

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

Date: 22 September 2026, Tuesday


	Tristan Boyer		Spencer Johnson

	1	2
			Watch
	1.95	1.75
	2.02	1.75	Watch
	1.87	1.83	Watch
	2.01	1.78
	1.92	1.77	Watch
	1.90	1.75
Avarage Now (Initially)	1.95 ↑ (1.72)	1.77 ↓ (1.98)

The most likely Over/Under: 23.00

The best margin for this event is 5.9%, offered by

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Current Win Probability

Tristan Boyer
47.7%

Spencer Johnson
52.3%

Initial Probability

(when we started the analysis)

53.6%

46.4%

Our Initial ML Estimation

57.3%

42.7%

Analysis of Changes in Winning Probabilities:

Tristan Boyer has seen a decrease in its chances compared to the initial analysis. (-5.9%)

Note: This is a significant drop in prediction, indicating that Tristan Boyer's form might have worsened.

Spencer Johnson has improved its chances compared to the initial analysis. (+5.9%)

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

ML Model estimates a higher probability for Tristan Boyer than the current prediction. (+9.6%)

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

ML Model estimates a lower probability for Spencer Johnson than the current prediction. (-9.6%)

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

Tristan Boyer - Spencer Johnson Predictions

Verified Performance Core (Selected Experts): 1 Selected Experts predict this event. Johnson (votes: 1 - 100%).

Expected Score (Market Odds): 0:2

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Preview

Boyer is ranked ATP: 208., and Johnson is ranked ATP: 449..

Recent results have been tough for Boyer (last 5 matches: 1 win).

Performances by Johnson have been somewhat unpredictable lately (last 5 matches: 3 wins).

Johnson may face physical fatigue compared to their opponent, having played more matches in recent days.

In this match, both players have fairly balanced chances of victory.

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

Last Results with these Odds

Tristan Boyer - the odds 1.72 are the expected chance of winning is 53.59%, but this team recently wins 14% of matches with these odds.

Form

✺ - easy match; ✺ - difficult match;

- Tristan Boyer
ATP Challenger
16.09.26	Tristan Boyer - Abedallah Shelbayh	0:2 ✺
14.09.26	Tristan Boyer - Edward Winter	2:0 ✺
ATP US Open
25.08.26	Andre Ilagan - Tristan Boyer	2:1 ✺
ATP Challenger
17.08.26	Tristan Boyer - James Watt	0:2 ✺
10.08.26	Tristan Boyer - Aidan Mayo	0:2 ✺
Form Coefficient (based on results and difficulties of last matches) - 1.4 LWLLL
- Spencer Johnson
ATP Challenger
21.09.26	Jakub Vrba - Spencer Johnson	0:2 ✺
20.09.26	Jan Kobierski - Spencer Johnson	0:2 ✺
14.09.26	Spencer Johnson - Erik Arutiunian	0:2 ✺
13.09.26	Spencer Johnson - Vignesh Gogineni	2:1 ✺
ATP US Open
24.08.26	Spencer Johnson - Christian Garin	1:2 ✺
Form Coefficient (based on results and difficulties of last matches) - 3.4 WWLWL

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