Coco Gauff vs Solana Sierra — United Cup Round Robin

United Cup · WTA · Round Robin
Coco Gauff
USA
Coco Gauff
#4WTA
2071ELO
2035Hard ELO
$4.1MYTD
$34MCAREER
22 yrs · 175 cm · Right-handed
Last 10 · pre-match
WWLWWWWLWW
2 — 0
Sets
Monday, 5 January 2026 ·
hard
Solana Sierra
ARG
Solana Sierra
#86WTA
1783ELO
1657Hard ELO
22 yrs · Right-handed
Last 10 · pre-match
LLLLLWLWWL
Gauff C.
6-1 6-1
Sierra S.
Gauff C.
662
Sierra S.
110

Coco Gauff defeated Solana Sierra 6-1 6-1 in the United Cup round robin on hard. The result followed the form book — Coco Gauff came in ranked #4, leading the head-to-head 2–0, defending the title. Coco Gauff extended the head-to-head to 3–0.

Key context

Head to head

2–0
DateTournamentRoundSurfaceWinnerScore
2026-07-01WimbledonR64grassCoco Gauff3-6 6-3 6-7
2026-05-09RomeR32clayCoco Gauff5-7 6-0 6-4
View full head-to-head →

Statistics

This season
Gauff C.Sierra S.
1st serve in·Even
64%
61%
1st serve points won·Slight edge
67%
62%
2nd serve points won·Even
41%
43%
Service points won·Even
58%
55%
Return points won·Slight edge
47%
42%
Break points saved·Even
54%
58%
Aces / match·Even
2.5
2.3
Double faults / match·Clear edge
6.0
4.9

Averages over each player's completed matches in the selected window (41 vs 39). ATP, WTA & Challenger.

Clutch

Under pressure
Gauff C.Sierra S.
Clutch Rating·Slight edge
94
86
Break points saved·Even
81
81
Break points won·Even
100
96
Deciding sets·Slight edge
99
92
Tiebreaks·Slight edge
99
88

Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About

Freshness

Recent load
Gauff C.Sierra S.
Freshness·Dominant
64
97

Gauff C.: 1 day rest · 3 matches, 73 games (7d) · Sierra S.: 7 days rest · 1 match, 14 games (7d). Higher means fresher. About

Conditions

Court speed
Medium-slowfavours grinders
SlowFast

Draw