UMPIRY
EN

P. H. Chabalgoity vs Tomas Martinez — M15 Joao Pessoa Round of 16

M15 Joao PessoaR16ClayThu 29 Oct · 17:00
VSClear favourite · Martinez T.
Win probabilityWho is more likely to winClear favourite · Martinez T.
25%75%

Clear edge for Martinez T. across form, surface and matchup. Upsets at this level happen in about 1 in 4 such matches.

Umpiry ScoreMatchup strength, 0–10 · not a probability
Chabalgoity P.4.9/10
Heavy underdogBased on 5/6 signal groups5/6
Martinez T.5.6/10
Slight disadvantageBased on 5/6 signal groups5/6
Why
Surface form5 of last 10 on clayInformative
Head-to-headNo prior meetingsBoth players
This eventDidn't play here last yearBoth players
ELO1 492
Clay ELO1 496
Last 103–7
Age56
ELO1 558
Clay ELO1 552
Last 105–5
Age23

P. H. Chabalgoity faces Tomas Martinez in the M15 Joao Pessoa round of 16 on clay. Recent clay form is closely matched.

Key context

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

Chabalgoity P.Martinez T.
FormLast 10 matches each · 2026
Win–loss3–75–5 (ahead)
Season win rate43% (3–4)47% (14–16) (ahead)
RatingUmpiry ELO
Overall ELO14921558 (ahead)
Clay-court ELO14961552 (ahead)
Serve vs returnLast 5 vs 30 matches
1st-serve points won63%63%
Return points won43%43%
Aces / match0.61.2 (ahead)
ClutchLast 5 vs 30 matches
Break points saved67% (ahead)48%

Draw

Odds

Conditions

17:00 local
SurfaceClay
Forecast28°C · Mainly clear
Wind15 km/h
Humidity68%

Cite this

Umpiry, "P. H. Chabalgoity vs Tomas Martinez — M15 Joao Pessoa Round of 16", https://umpiry.com/match/2026-10-29/chabalgoity-vs-martinez-m15-joao-pessoa-r16?utm_source=cite (as of 29 October 2026).