Win probabilityWho is more likely to winSlight edge · Cervantes Tomas I.
66%34%
Cervantes Tomas I. favoured, but within the range where form on the day decides.
Umpiry ScoreMatchup strength, 0–10 · not a probability
Cervantes Tomas I.5.9/10
Even matchBased on 5/6 signal groups5/6
Guilleme J.6.0/10
Even matchBased on 5/6 signal groups5/6
What we know
Head-to-headNo prior meetingsBoth players
This eventDidn't play here last yearBoth players
ELO1 574
Hard ELO1 551
Last 107–3
Age22
ELO1 563
Hard ELO1 541
Last 107–3
Age20
Common opponents
0 shared · last 12 months
No common opponents in the last 12 months. Surface form and ELO carry more weight here.
Head-to-head
They have not met before.
Evidence
Cervantes Tomas I.Guilleme J.
FormLast 10 matches each · 2026
Win–loss7–37–3
Season win rate67% (10–5)67% (2–1)
RatingUmpiry ELO
Overall ELO1574 (ahead)1563
Hard-court ELO1551 (ahead)1541
Serve vs returnLast 10 vs 3 matches
1st-serve points won61%80% (ahead)
Return points won45% (ahead)42%
Aces / match0.83.0 (ahead)
ClutchLast 10 vs 3 matches
Break points saved44%50% (ahead)
Draw
Odds
Conditions
10:00 local
SurfaceHard
Forecast25°C · Thunderstorm
Wind30 km/h
Humidity90%
Cite this
Umpiry, "Ian Luca Cervantes Tomas vs Joaquin Guilleme — M15 Mazatlan Round of 16", https://umpiry.com/match/2026-10-29/guilleme-vs-tomas-m15-mazatlan-r16?utm_source=cite (as of 29 October 2026).