Giovanni Fonio vs Sergio Callejon HernandoPrediction, Head-to-Head Results, and Stats
🇮🇹Giovanni Fonio
#951 · 28 yrs · R
7w1 meeting · sets 0–2
🇪🇸Sergio Callejon Hernando
#481 · 21 yrs · R
Giovanni Fonio and Sergio Callejon Hernando have met 1 time since 2026; Sergio Callejon Hernando leads 1–0. Across all meetings Fonio has taken 0 sets to Hernando's 2. Their most recent meeting: Sergio Callejon Hernando won at Tenerife Challenger 2 (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Fonio | Callejon Hernando | ||
|---|---|---|---|---|
| Indicator | Giovanni Fonio | Sergio Callejon Hernando | ||
| Wins in straight sets | 80% | 4/5 | 76% | 38/50 |
| Wins a set when losing | 60% | 6/10 | 28% | 8/29 |
| Goes to a deciding set | 47% | 7/15 | 25% | 20/79 |
| Covers −1.5 sets as favorite | 38% | 3/8 | 58% | 32/55 |
| Covers +1.5 sets as underdog | 40% | 2/5 | 55% | 11/20 |
| Tiebreak sets won | 40% | 2/5 | 58% | 7/12 |
| Wins after taking set 1 | 63% | 5/8 | 90% | 44/49 |
| Wins 2-0 after taking set 1 | 50% | 4/8 | 78% | 38/49 |
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 (Fonio 0, Callejon Hernando 1).
Style Matchup
Playing styles and historical archetype record
Fonio
⚙️ Grinder
Hernando
⚔️ The Gladiator
Matchup analysis
⚙️ Grinder vs ⚔️ The Gladiator is historically tight (52% vs 48%, 646 matches). Neither style has a clear edge, so form, surface, and the head-to-head matter most.
Previous meetings
1 career meeting, newest first
Feb 8, 2026
Tenerife Challenger 2
H Hard · 1st Round Qualifying
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Fonio | Hernando |
|---|---|---|
| W-L | - | 12–7 |
| Avg odds | - | 1.42 |
| ROI % | - | -13.3% |
| Units P/L | - | -2.52u |
Travel
Last 30 days
| Metric | Fonio | Hernando |
|---|---|---|
| Countries | — | 2 |
| Events | — | 2 |
| Matches | — | 3 |
| Distance | — | — |
| Route | — | ESP → POR |
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
Hernando has a higher win rate against shared opponents (100% vs Fonio's 0%).
| Opponent | Fonio | Hernando |
|---|---|---|
| Zdenek Kolar | L 64 67 16 | W 57 76 61 |
Recent Form
Last five matches per player
Max Stenzer
Bundesliga - men
Jul 12
Ryan Seggerman
Sardegna Open · 1st Round Qualifying
Apr 27
John Sperle
M15 Dubrovnik · 2nd Round
Apr 16
Lorenzo Lorusso
M15 Dubrovnik · 1st Round
Apr 15
Jelle Sels
M25 Santa Margherita di Pula · 1st Round
Apr 6
Sergio Callejon Hernando
Tenerife Challenger 2 · 1st Round Qualifying
Feb 8
Svyatoslav Gulin
Cesenatico Challenger · 1st Round
Feb 3
Radu Albot
Soma Bay Open · 2nd Round Qualifying
Jan 19
Goncalo Marques
M25 Idanha-a-Nova · 1st Round
Aug 11
Izan Almazan Valiente
M25+H Tauste · Quarterfinals
Aug 7
Luka Talan Lopatic
M25+H Tauste · 2nd Round
Aug 5
Jaume Casas Blasi
M25+H Tauste · 1st Round
Aug 4
Iliyan Radulov
Pozoblanco challenger
Jul 12
Luc Fomba
M25 Ajaccio · Quarterfinals
Jul 4
Liam Branger
M25 Ajaccio · 2nd Round
Jul 2
Vladislav Melnic
M25 Ajaccio · 1st Round
Jul 1
Win rate
Matches, sets and games won · Last 12 months · 15–79 matches
| Metric | Fonio | Hernando |
|---|---|---|
| Matches won | 33% | 63% |
| Sets won | 43% | 61% |
| Games won | 46% | 56% |
Record by tier
Head-to-head record by tournament tier
| Stage | Fonio | Hernando |
|---|---|---|
| ATP Challenger Tour | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Fonio | Hernando |
|---|---|---|
| Hard | 0 | 1 |
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