Match Info

CHALLENGER MEN - SINGLES: Guayaquil - Qualification, clay - Semi-finals

Date: 25 October 2026, Sunday 🏁 Finished

Location: Guayaquil 🌤️ ... 🔴 Clay


	Ryan Nijboer		Mariano Kestelboim

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Ryan Nijboer
77.7%

Mariano Kestelboim
22.3%

Initial Probability (when we started the analysis)

77.8%

22.2%

Analysis of Changes in Winning Probabilities:

Ryan Nijboer has seen a decrease in its chances compared to the initial analysis. (-0.1%)

Mariano Kestelboim has improved its chances compared to the initial analysis. (+0.1%)

Expected Score (Market Odds): 2:0

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Nijboer is ranked ATP: 383., and Kestelboim is ranked ATP: 1109..

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

Nijboer could enjoy a physical edge thanks to more rest days ahead of this match.

Nijboer carries the favorite tag into this contest.

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

✺ - easy match; ✺ - difficult match;

- Ryan Nijboer
ATP Challenger
12.10.26	Benjamin Hassan - Ryan Nijboer	2:1 ✺
11.10.26	Javier Barranco Cosano - Ryan Nijboer	0:2 ✺
08.10.26	Ryan Nijboer - Marvin Moeller	0:2 ✺
07.10.26	Mackenzie McDonald - Ryan Nijboer	1:2 ✺
05.10.26	Ryan Nijboer - Benjamin Hassan	2:0 ✺
Form Coefficient (based on results and difficulties of last matches) - 8 LWLWW
- Mariano Kestelboim
ATP Challenger
18.10.26	Santiago Fa Rodriguez Taverna - Mariano Kestelboim	Canceled ✺
21.09.26	Fermin Tenti - Mariano Kestelboim	Kestelboim M. Retired ✺
07.06.26	Mariano Kestelboim - Iliyan Radulov	1:2 ✺
01.06.26	Mariano Kestelboim - Alex Marti Pujolras	Marti Pujolras A. Walkover ✺
01.06.26	Sumit Nagal - Mariano Kestelboim	1:2 ✺
Form Coefficient (based on results and difficulties of last matches) - 13.1 ??L?W

✺ - easy match; ✺ - difficult match;

- Ryan Nijboer
ATP Challenger
26.10.26	Ryan Nijboer - Lorenzo Claverie	✺

Ryan Nijboer - Mariano Kestelboim: Predictions, Live Scores & TV Guide