Hanyu Guo vs Kayla DayPrediction, Head-to-Head Results, and Stats
🇨🇳Hanyu Guo
#240 · 28 yrs · Right-Handed
51 meeting · sets 0–2
🇺🇸Kayla Day
#119 · 26 yrs · Left-Handed
TitleHanyu Guo and Kayla Day have met 1 time since 2026; Kayla Day leads 1–0. Across all meetings Guo has taken 0 sets to Day's 2. Their most recent meeting: Kayla Day won at National Bank Open - Toronto (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Guo | Day | ||
|---|---|---|---|---|
| Indicator | Hanyu Guo | Kayla Day | ||
| Wins in straight sets | 56% | 9/16 | 78% | 38/49 |
| Wins a set when losing | 38% | 6/16 | 35% | 8/23 |
| Goes to a deciding set | 41% | 13/32 | 26% | 19/72 |
| Covers −1.5 sets as favorite | 53% | 8/15 | 58% | 33/57 |
| Covers +1.5 sets as underdog | 47% | 8/17 | 62% | 8/13 |
| Tiebreak sets won | 43% | 6/14 | 52% | 11/21 |
| Wins after taking set 1 | 80% | 12/15 | 91% | 43/47 |
| Wins 2-0 after taking set 1 | 60% | 9/15 | 81% | 38/47 |
Colored rows are higher-is-better: green above 50%, red below. Favorite/underdog set by book odds; cover rows count only matches with odds on record. Head-to-head: 1 of 1 completed meetings ended in straight sets (Guo 0, Day 1).
Style Matchup
Playing styles and historical archetype record
Guo
🪃 Counterpuncher
Day
💥 Big Hitter
Matchup analysis
The 💥 Big Hitter archetype wins about 53% vs 🪃 Counterpuncher across 7,733 matches in our dataset: a stylistic lean toward Kayla Day.
Big Hitter players often use power groundstrokes and high winner count to pressure the counterpuncher's elite bp conversion.
Previous meetings
1 career meeting, newest first
Aug 1, 2026
National Bank Open - Toronto
H Hard · 3rd Round Qualifying
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Guo | Day |
|---|---|---|
| W-L | 0–3 | 11–7 |
| Avg odds | 2.28 | 1.92 |
| ROI % | -100.0% | -12.2% |
| Units P/L | -3.00u | -2.20u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Guo | Day |
|---|---|---|
| Countries | 1 | 3 |
| Events | 1 | 3 |
| Matches | 1 | 7 |
| Distance | — | — |
| Route | ROU | UKR → USA → TUR |
Host country from each tournament in the last 30 days, including the current event even when a player arrived on a bye. Route is the order of countries visited; consecutive stops in the same country are shown once. Distance is the great-circle total between host cities, shown only when every stop in the window is geocoded. A rough fatigue signal, not a headline stat.
Common opponents
Results vs. opponents both players faced · Last 12 months
Across 7 shared opponents, both Guo and Day posted a 71% win rate.
| Opponent | Guo | Day |
|---|---|---|
| Elvina Kalieva | W 62 26 76 | W 76 64 |
| Elsa Jacquemot | W 62 46 64 | L 67 26 |
| Yue Yuan | L 26 46 | W 26 75 63 |
| Katarzyna Kawa | L 46 16 | W 62 75 |
| Mary Stoiana | W 76 67 75 | L 57 46 |
| Katarina Jokic | W | W 76 62 |
| Louisa Chirico | W 36 64 62 | W 63 61 |
Recent Form
Last five matches per player
Aliona Falei
Suzhou WTA 125 - Suzhou · 1st Round
Oct 6
Yue Yuan
U.S. Open - New York · 1st Round Qualifying
Aug 26
Kayla Day
National Bank Open - Toronto · 3rd Round Qualifying
Aug 1
Xiyu Wang
Wimbledon - London · 1st Round Qualifying
Jun 23
Maddison Inglis
The HSBC Championships - London · 3rd Round Qualifying
Jun 7
Elsa Jacquemot
The HSBC Championships - London · 1st Round Qualifying
Jun 7
Mccartney Kessler
French Open - Paris · 1st Round
May 25
Sofia Costoulas
French Open - Paris · 3rd Round Qualifying
May 21
Amelie Van Impe
W100 Templeton · 1st Round
Sep 30
Janae Preston
W50 Berkeley · Final
Sep 27
Ella Mcdonald
W50 Berkeley · Semifinals
Sep 26
Anna Sinclair Rogers
W50 Berkeley · Quarterfinals
Sep 25
Evialina Laskevich
W50 Berkeley · 2nd Round
Sep 24
Arina Bulatova
W50 Berkeley · 1st Round
Sep 23
Liudmila Samsonova
Guadalajara Open Akron - Guadalajara · 2nd Round
Sep 17
Elvina Kalieva
Guadalajara Open Akron - Guadalajara · 1st Round
Sep 14
Win rate
Matches, sets and games won · Last 12 months · 33–72 matches
| Metric | Guo | Day |
|---|---|---|
| Matches won | 48% | 68% |
| Sets won | 49% | 65% |
| Games won | 51% | 56% |
Record by tier
Head-to-head record by tournament tier
| Stage | Guo | Day |
|---|---|---|
| WTA 1000 | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Guo | Day |
|---|---|---|
| Hard | 0 | 1 |
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