Simona Waltert vs Miriana Tona — Rio De Janeiro 125 Round of 16

Rio De Janeiro 125 · CHALLENGER · Round of 16
SUI
Simona Waltert
#91WTA
1703ELO
1689Clay ELO
25 yrs · Right-handed
Last 10
LLLLWWWLWL
0 — 0
Sets
Monday, 13 October 2025
clay
ITA
Miriana Tona
#365WTA
1283ELO
1261Clay ELO
31 yrs
Last 10
LWLWLWWWWL

Umpiry Score

Pre-match
Waltert S.
8.2
Dominant favouriteUmpiry Score
Tona M.
5.0
Heavy underdogUmpiry Score
Form & Matchup
9.9+428 Clay Elo edge
Surface ELO
0.1Clay Elo 1261
9.8Overall Elo 1703
ELO gap
0.2Overall Elo 1283
5.0No prior meetings
H2H
5.0
8.6
Surface form
5.3
Fatigue & Travel
7.0
3-set count
Context
5.0
Defending pts
5.0

The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.

Waltert S.
662
Tona M.
23–

Head to head

No previous meetings on record.

Statistics

Recent form
Waltert S.Tona M.
64%1st serve in+4%68%
60%1st serve points won60%
47%2nd serve points won47%
56%Service points won56%
46%Return points won46%
62%Break points saved+9%53%
1.1Aces / match+0.20.9
3.5Double faults / match+1.12.4

Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.

Draw

Final
Waltert S.
Rame A.
7-56-2
Semi-finals
Waltert S.
Grabher J.
6-26-3
Rame A.
Gorgodze E.
6-21-66-2
Quarter-finals
Waltert S.
Wurth T.
2-66-27-64
Grabher J.
Kraus S.
6-05-76-3
Rame A.
Colmegna M.
4-66-16-2
Gorgodze E.
Nahimana S.
6-46-1
R16
Waltert S.
Tona M.
6-26-3
Wurth T.
Vedder E.
7-656-1
Grabher J.
Pedretti T.
6-46-2
Kraus S.
Alves C.
6-46-4
Rame A.
Burillo Escorihuela I.
6-37-5
Colmegna M.
Capurro Taborda M.
6-43-66-0
Nahimana S.
Zolotareva A.
6-36-3
Gorgodze E.
Ce G.
6-26-1
R32
Waltert S.
Giovannini L.
6-23-66-1
Tona M.
Fullana L.
7-646-2
Vedder E.
Smith T.
6-33-66-4
Wurth T.
Monnet C.
6-16-1
Grabher J.
Pigossi L.
7-657-62
Alves C.
Perez Garcia M.
6-16-1
Burillo Escorihuela I.
Da Cruz Mendonca S.
6-16-3
Nahimana S.
Candiotto A.
2-66-27-63
Gorgodze E.
Udvardy P.
7-66-3
Ce G.
Ortenzi J.
2-67-646-4
Pedretti T.
Vergara Rivera A.
7-626-4
Kraus S.
Konishi Camargo Silva J.
6-06-0
Rame A.
Riera J.
7-616-1
Capurro Taborda M.
Rivoli P.
6-16-4
Colmegna M.
Carle M.
6-26-2
Zolotareva A.
Romero Gormaz L.
6-40-66-1