Match Info

CHALLENGER MEN - SINGLES: Kingston, hard - 1/8-finals

Date: 19 August 2026, Wednesday 🏁 Finished

Location: Kingston 🌤️ ... 🔵 Hard


	Garrett Johns		Pedro Martinez Portero

	1	2
	2.95	1.35
	3.35	1.30
	3.13	1.39
	3.16	1.3	Watch
	3.05	1.36
	3.15	1.31	Watch
	3.05	1.33
Avarage Now (Initially)	3.12 ↑ (2.67)	1.33 ↓ (1.41)

The most likely Over/Under: 21.50

The best margin for this event is 3.9%, offered by

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Current Win Probability

Garrett Johns
30%

Pedro Martinez Portero
70%

Initial Probability (when we started the analysis)

34.6%

65.4%

Our Initial ML Estimation

34.8%

65.2%

Analysis of Changes in Winning Probabilities:

Garrett Johns has seen a decrease in its chances compared to the initial analysis. (-4.6%)

Pedro Martinez Portero has improved its chances compared to the initial analysis. (+4.6%)

ML Model estimates a higher probability for Garrett Johns than the current prediction. (+4.8%)

ML Model estimates a lower probability for Pedro Martinez Portero than the current prediction. (-4.8%)

Garrett Johns - Pedro Martinez Portero Predictions

Expected Score (Market Odds): 0:2

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Preview

Johns is ranked ATP: 390. Martinez Portero is ranked ATP: 151.

Johns is undoubtedly in great shape (last 5 games: 4 wins).

Martinez Portero's form has been unstable in recent games (in the last 5 games, wins – 3).

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

Martinez Portero could have a small edge in this match.

The players have not played against each other recently.

Last Results with these Odds

Garrett Johns - the odds 2.67 are the expected chance of winning is 34.56%, but this team recently wins 13% of matches with these odds.

Form

✺ - easy match; ✺ - difficult match;

- Garrett Johns
ATP Challenger
18.08.26	Garrett Johns - Paulo Andre Saraiva Dos Santos	Saraiva Dos Santos P. A. Retired ✺
17.08.26	Garrett Johns - Timo Legout	2:1 ✺
16.08.26	Garrett Johns - Guillaume Dalmasso	2:0 ✺
10.08.26	Garrett Johns - Mees Rottgering	0:2 ✺
09.08.26	Garrett Johns - Anirudh Chandrasekar	Chandrasekar A. Retired ✺
Form Coefficient (based on results and difficulties of last matches) - 4.7 ?WWL?
- Pedro Martinez Portero
ATP Challenger
18.08.26	Evan Zhu - Pedro Martinez Portero	0:2 ✺
28.07.26	Pedro Martinez Portero - Hugo Dellien	0:2 ✺
ATP Estoril
23.07.26	Pedro Martinez Portero - Luciano Darderi	0:2 ✺
20.07.26	Henrique Rocha - Pedro Martinez Portero	0:2 ✺
19.07.26	Pedro Martinez Portero - Timofey Skatov	2:0 ✺
Form Coefficient (based on results and difficulties of last matches) - 6.6 WLLWW

Upcoming Matches

✺ - easy match; ✺ - difficult match;

- Garrett Johns
ITF Tournaments
29.10.26	Garrett Johns - Leyton Rivera	✺

Garrett Johns - Pedro Martinez Portero