Aidan Mayo vs Guillaume DalmassoPrediction, Head-to-Head Results, and Stats
Aidan Mayo and Guillaume Dalmasso have met 1 time since 2026; Aidan Mayo leads 1–0. Across all meetings Mayo has taken 2 sets to Dalmasso's 0. Their most recent meeting: Aidan Mayo won at Granby Challenger (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Mayo | Dalmasso | ||
|---|---|---|---|---|
| Indicator | Aidan Mayo | Guillaume Dalmasso | ||
| Wins in straight sets | 73% | 11/15 | 59% | 23/39 |
| Wins a set when losing | 67% | 10/15 | 31% | 8/26 |
| Goes to a deciding set | 47% | 14/30 | 37% | 24/65 |
| Covers −1.5 sets as favorite | 40% | 4/10 | 41% | 11/27 |
| Covers +1.5 sets as underdog | 64% | 9/14 | 52% | 14/27 |
| Tiebreak sets won | 42% | 8/19 | 43% | 6/14 |
| Wins after taking set 1 | 92% | 12/13 | 82% | 27/33 |
| Wins 2-0 after taking set 1 | 85% | 11/13 | 70% | 23/33 |
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 (Mayo 1, Dalmasso 0).
Style Matchup
Playing styles and historical archetype record
Mayo
💥 Big Hitter
Dalmasso
💥 Big Hitter
Matchup analysis
Both Aidan Mayo and Guillaume Dalmasso are 💥 Big Hitter types. Mirror matchups usually come down to execution, fitness, and surface fit, across 2,644 matches in our dataset the historical split is about even.
Previous meetings
1 career meeting, newest first
Jul 14, 2026
Granby Challenger
H Hard · 1st Round
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Mayo | Dalmasso | ||
|---|---|---|---|---|
| Outcome | Aidan Mayo | Guillaume Dalmasso | ||
| 1 or more | 100% | 9/9 | 91% | 10/11 |
| 3 or more | 89% | 8/9 | 82% | 9/11 |
| 5 or more | 67% | 6/9 | 64% | 7/11 |
| 10 or more | 44% | 4/9 | 9% | 1/11 |
| 15 or more | 11% | 1/9 | 0% | 0/11 |
| 20 or more | 0% | 0/9 | 0% | 0/11 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Mayo | Dalmasso |
|---|---|---|
| W-L | 3–6 | 9–4 |
| Avg odds | 1.78 | 2.01 |
| ROI % | -57.7% | +17.0% |
| Units P/L | -5.19u | +2.21u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Mayo | Dalmasso |
|---|---|---|
| Countries | 2 | — |
| Events | 3 | — |
| Matches | 7 | — |
| Distance | 1,777 mi · 2,860 km | — |
| Route | USA → JAM | — |
Host country from the tournament each match was played in, over the last 30 days. 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
Mayo has a higher win rate against shared opponents (67% vs Dalmasso's 33%).
| Opponent | Mayo | Dalmasso |
|---|---|---|
| Alexander Cozbinov | W 62 62 | W 67 63 76 |
| Braden Shick | L 26 62 26 | L 36 26 |
| Bor Artnak | W 60 64 | L 36 36 |
Recent Form
Last five matches per player
Andy Andrade
Kingston 2 Challenger · Final
Aug 30
Luis Felipe Miguel
Kingston 2 Challenger · Semifinals
Aug 29
Andres Martin
Kingston 2 Challenger · Quarterfinals
Aug 27
Benjamin Willwerth
Kingston 2 Challenger · 2nd Round
Aug 26
Matthew Forbes
Kingston 2 Challenger · 1st Round
Aug 25
Stefan Kozlov
Brownsburg Challenger · 1st Round
Aug 12
Rei Sakamoto
Lexington Challenger · 1st Round
Aug 4
James Duckworth
Mifel Tennis Open - Los Cabos · 1st Round
Jul 29
Aidan Mayo
Granby Challenger · 1st Round
Jul 14
Mikael Arseneault
Granby challenger
Jul 13
Volodymyr Gurenko
Granby challenger
Jul 12
Alberto Barroso Campos
Nottingham 3 Challenger · 1st Round
Jul 6
Luc Fomba
M25 Ajaccio · 2nd Round
Jul 2
Valentin Lapalu
M25 Ajaccio · 1st Round
Jul 1
Joaquin Guilleme
Futures 2026
Jun 13
Filip Peliwo
M15 Vaasa · Semifinals
Jun 13
Win rate
Matches, sets and games won · Last 12 months · 30–65 matches
| Metric | Mayo | Dalmasso |
|---|---|---|
| Matches won | 50% | 60% |
| Sets won | 54% | 56% |
| Games won | 51% | 52% |
Record by tier
Head-to-head record by tournament tier
| Stage | Mayo | Dalmasso |
|---|---|---|
| ATP Challenger Tour | 1 | 0 |
By surface
Head-to-head record per surface
| Surface | Mayo | Dalmasso |
|---|---|---|
| Hard | 1 | 0 |
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