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

Rio De Janeiro 125 · CHALLENGER · Round of 16
Simona Waltert
SUI
Simona Waltert
#81WTA
1670ELO
1654Clay ELO
25 yrs · Right-handed
Last 10 · pre-match
LWWWWLLLLW
0 — 0
Sets
Monday, 13 October 2025
clay
ITA
Miriana Tona
#384WTA
1275ELO
1251Clay ELO
31 yrs
Last 10 · pre-match
LWLLLWLLWL
Waltert S.
6-2 6-3
Tona M.
Waltert S.
662
Tona M.
23–

Simona Waltert defeated Miriana Tona 6-2 6-3 in the Rio De Janeiro 125 round of 16 on clay. The result followed the form book — Simona Waltert came in ranked #81.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Waltert S.serving42% hold

wins 47% of points on serve vs Tona M.

Tona M.serving35% hold

wins 44% of points on serve vs Waltert S.

Baseline battle — serve is shaky, expect plenty of breaks

Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About

Statistics

This season
Waltert S.Tona M.
1st serve in·Even
64%
65%
1st serve points won·Even
63%
60%
2nd serve points won·Even
46%
45%
Service points won·Even
57%
54%
Return points won·Even
47%
47%
Break points saved·Slight edge
57%
52%
Aces / match·Slight edge
1.9
1.2
Double faults / match·Clear edge
3.6
2.8

Averages over each player's completed matches in the selected window (97 vs 70). ATP, WTA & Challenger.

Umpiry Score

Pre-match
Waltert S.
8.2
Dominant favouriteUmpiry Score
Tona M.
5.0
Heavy underdogUmpiry Score
Form & Matchup
9.9+404 Clay Elo edge
Surface ELO
0.1Clay Elo 1251
9.8Overall Elo 1670
ELO gap
0.2Overall Elo 1275
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.

Freshness

Recent load
Waltert S.Tona M.
Freshness·Clear edge
71
85

Waltert S.: 3 days rest · 4 matches, 73 games (7d) · Tona M.: 2 days rest · 2 matches, 30 games (7d). Higher means fresher. About

Conditions

Court speed
Slowlow bounce, long rallies
SlowFast

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
Colmegna M.
Capurro Taborda M.
6-43-66-0
Nahimana S.
Zolotareva A.
6-36-3
Gorgodze E.
Ce G.
6-26-1
Rame A.
Burillo Escorihuela I.
6-37-5
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
Alves C.
Perez Garcia M.
6-16-1
Kraus S.
Konishi Camargo Silva J.
6-06-0
Rame A.
Riera J.
7-616-1
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
Capurro Taborda M.
Rivoli P.
6-16-4
Colmegna M.
Carle M.
6-26-2
Zolotareva A.
Romero Gormaz L.
6-40-66-1
Grabher J.
Pigossi L.
7-657-62