Mert Alkaya and Sergio Callejon Hernando have met 1 time since 2025; Mert Alkaya leads 1–0. Their most recent meeting: Mert Alkaya won at M15 Monastir (2025).
Playing styles and historical archetype record
Alkaya
🪃 Counterpuncher
Hernando
⚔️ The Gladiator
Matchup analysis
The 🪃 Counterpuncher archetype wins about 54% vs ⚔️ The Gladiator across 3,919 matches in our dataset — a stylistic lean toward Mert Alkaya.
Counterpuncher players often use elite bp conversion and strong return game to pressure the the gladiator's physical intensity.
1 career meeting, newest first
Hit rates on common betting markets · Last 90 days
| Outcome | Alkaya | Hernando | ||
|---|---|---|---|---|
| Outcome | Mert Alkaya | Sergio Callejon Hernando | ||
| 1 or more | 94% | 17/18 | 56% | 10/18 |
| 3 or more | 61% | 11/18 | 33% | 6/18 |
| 5 or more | 33% | 6/18 | 28% | 5/18 |
| 10 or more | 6% | 1/18 | 0% | 0/18 |
| 15 or more | 0% | 0/18 | 0% | 0/18 |
| 20 or more | 0% | 0/18 | 0% | 0/18 |
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Alkaya | Hernando |
|---|---|---|
| W-L | 4–7 | 7–5 |
| Avg odds | 2.54 | 1.90 |
| ROI % | -28.1% | +11.3% |
| Units P/L | -3.09u | +1.35u |
Results vs. opponents both players faced · Last 12 months
Hernando has a higher win rate against shared opponents (71% vs Alkaya's 57%).
| Opponent | Alkaya | Hernando |
|---|---|---|
| Gauthier Onclin | L 36 67 | W 63 63 |
| Denis Yevseyev | W 67 61 63 | W 63 61 |
| John Hallquist Lithen | W 61 76 | W 61 60 |
| John Echeverria | W 64 63 | W 61 63 |
| Olle Wallin | L 26 63 16 | W 62 62 |
| Julian Alonso | W 60 62 | L 36 75 46 |
| Michele Ribecai | L 36 16 | L 57 67 |
Last five matches per player
Matisse Bobichon
Futures 2026 ·
Jun 17
Pierre-Hugues Herbert
BOSS OPEN · 2nd Round Qualifying
Jun 8
Arda Azkara
RISE CENTURION OPEN · Round of 32
Jun 1
Andrej Nedic
Bosphorus Challenger Cup · Round of 16
May 21
Georgii Kravchenko
Bosphorus Challenger Cup · Round of 32
May 19
Yusuke Takahashi
RISE IRENE OPEN · Round of 32
May 13
Jonas Forejtek
Zagreb Open · 1st Round Qualifying
May 10
Gauthier Onclin
Cote d'Ivoire Open 2 · Quarterfinals
May 1
Lorenzo Bocchi
Emilia-Romagna Tennis Cup · 1st Round Qualifying
Jun 14
Gianmarco Ferrari
SIC EUROPE OMAG OPEN · Round of 32
Jun 10
Lucio Ratti
SIC EUROPE OMAG OPEN · 2nd Round Qualifying
Jun 8
Aleksandr Braynin
SIC EUROPE OMAG OPEN · 1st Round Qualifying
Jun 7
Federico Arnaboldi
Internazionali Di Tennis - Citta'Di Vicenza · 1st Round Qualifying
May 24
Giorgio Tabacco
CAME CUP 2026 CITTA' DI CERVIA · 1st Round Qualifying
May 17
Alberto Barroso Campos
M25 Angers · Round of 16
Apr 20
Arthur Nagel
M25 Angers · Round of 32
Apr 20
Matches, sets and games won · Last 12 months · 65–74 matches
| Metric | Alkaya | Hernando |
|---|---|---|
| Matches won | 70% | 62% |
| Sets won | 68% | 60% |
| Games won | 57% | 55% |
Head-to-head record by tournament tier
| Stage | Alkaya | Hernando |
|---|---|---|
| Finals | 1 | 0 |
| ITF M15 | 1 | 0 |
Head-to-head record per surface
| Surface | Alkaya | Hernando |
|---|---|---|
| Hard | 1 | 0 |
