Katie Boulter vs Tyra Caterina Grant — Wimbledon Round of 128
Boulter K.
Katie Boulter faces Tyra Caterina Grant in the Wimbledon round of 128 on grass. Katie Boulter is the paper favourite — ranked #59, defending last year's round of 64, a roughly 240-point grass Elo advantage — but Tyra Caterina Grant rides a 3-match win streak.
Win Probability
Pre-match · updated 13:20 UTC50–58%
58–67%
67–80%
80%+
Strong favourite · Boulter K. heavily favoured
Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.
Key context
- Freshness: Katie Boulter comes in with 5 days of rest and 93 games in 14d, vs Tyra Caterina Grant's 1 and 68.
- Last match: Tyra Caterina Grant edged Harmony Tan in two tight sets (6–4 7–6).
- Stage: Katie Boulter defends last year's round of 64.
Umpiry Score
Pre-matchThe Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Form trajectory
Direction of recent form — results vs Elo expectation blended with serve/return vs each player's baseline, over the last few months. About
Statistics
This seasonAverages over each player's completed matches in the selected window (23 vs 28). ATP, WTA & Challenger.
Serve vs return
This seasonEach player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Freshness
Recent loadBoulter K.: 5 days rest · 1 match, 31 games (7d) · Grant T.: 1 day rest · 3 matches, 68 games (7d). Higher means fresher. About
Conditions
Head to head
No previous meetings on record.