Fajing Sun vs Ilia SimakinPrediction, Head-to-Head Results, and Stats
Fajing Sun and Ilia Simakin have met 2 times since 2025; they are level 1–1. Their first meeting came at Wuxi Challenger in 2025 on hard. On hard courts they are level 1–1. Across all meetings Sun has taken 2 sets to Simakin's 3. Their most recent meeting: Ilia Simakin won at Istanbul Challenger (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Sun | Simakin | ||
|---|---|---|---|---|
| Indicator | Fajing Sun | Ilia Simakin | ||
| Wins in straight sets | 70% | 21/30 | 47% | 18/38 |
| Wins a set when losing | 37% | 11/30 | 42% | 11/26 |
| Goes to a deciding set | 33% | 20/60 | 48% | 31/64 |
| Covers −1.5 sets as favorite | 52% | 13/25 | 41% | 15/37 |
| Covers +1.5 sets as underdog | 45% | 14/31 | 59% | 13/22 |
| Tiebreak sets won | 33% | 6/18 | 50% | 14/28 |
| Wins after taking set 1 | 83% | 24/29 | 84% | 26/31 |
| Wins 2-0 after taking set 1 | 72% | 21/29 | 58% | 18/31 |
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 2 completed meetings ended in straight sets (Sun 0, Simakin 1).
Style Matchup
Playing styles and historical archetype record
Sun
🏹 Frontrunner
Simakin
💥 Big Hitter
Matchup analysis
🏹 Frontrunner vs 💥 Big Hitter is historically tight (49% vs 51%, 554 matches). Neither style has a clear edge, so form, surface, and the head-to-head matter most.
Previous meetings
2 career meetings, newest first
Aug 5, 2026
Istanbul Challenger
H Hard · 2nd Round
May 10, 2025
Wuxi Challenger
H Hard · Semifinals
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Sun | Simakin | ||
|---|---|---|---|---|
| Outcome | Fajing Sun | Ilia Simakin | ||
| 1 or more | 89% | 8/9 | 91% | 10/11 |
| 3 or more | 44% | 4/9 | 73% | 8/11 |
| 5 or more | 22% | 2/9 | 55% | 6/11 |
| 10 or more | 0% | 0/9 | 27% | 3/11 |
| 15 or more | 0% | 0/9 | 9% | 1/11 |
| 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 | Sun | Simakin |
|---|---|---|
| W-L | 3–7 | 7–6 |
| Avg odds | 2.16 | 2.10 |
| ROI % | -55.7% | -2.4% |
| Units P/L | -5.57u | -0.31u |
Travel
Last 30 days
| Metric | Sun | Simakin |
|---|---|---|
| Countries | 2 | 1 |
| Events | 2 | 1 |
| Matches | 5 | 5 |
| Distance | 2,119 mi · 3,410 km | 0 mi · 0 km |
| Route | TUR → KAZ | TUR |
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
Simakin has a higher win rate against shared opponents (70% vs Sun's 30%).
| Opponent | Sun | Simakin |
|---|---|---|
| Florent Bax | L 62 36 46 | W 60 67 64 |
| Alex Bolt | W 67 63 63 | W 76 36 61 |
| Pavel Kotov | L 67 63 36 | L 62 67 36 |
| Philip Sekulic | W 76 63 | W 46 75 76 |
| Yasutaka Uchiyama | L 16 26 | L 06 46 |
| Aaron Gabet | W 62 61 | L 46 16 |
| Petr Bar Biryukov | L 46 36 | W 76 46 75 |
| Yi Zhou | L 67 36 | W 75 64 |
| Omar Jasika | L 62 26 46 | W 63 60 |
| Beibit Zhukayev | L 46 16 | W 64 67 75 |
Recent Form
Last five matches per player
Hayato Matsuoka
Astana Challenger · Quarterfinals
Aug 14
Semen Pankin
Astana Challenger · 2nd Round
Aug 12
Zangar Nurlanuly
Astana Challenger · 1st Round
Aug 11
Ilia Simakin
Istanbul Challenger · 2nd Round
Aug 5
Semen Pankin
Istanbul Challenger · 1st Round
Aug 3
Mees Rottgering
Winnipeg Challenger · 1st Round
Jul 21
Arthur Gea
Granby Challenger · 1st Round
Jul 14
Ozan Baris
Newport challenger
Jul 5
Lucas Poullain
Istanbul Challenger · Final
Aug 9
Antoine Ghibaudo
Istanbul Challenger · Semifinals
Aug 8
Florent Bax
Istanbul Challenger · Quarterfinals
Aug 7
Fajing Sun
Istanbul Challenger · 2nd Round
Aug 5
Adrian Boitan
Istanbul Challenger · 1st Round
Aug 3
Lautaro Midon
Iasi Challenger · 2nd Round
Jul 8
Tomas Barrios Vera
Iasi Challenger · 1st Round
Jul 7
Dimitar Kuzmanov
Brasov Challenger · 1st Round
Jun 30
Rivalry momentum
Cumulative head-to-head lead over time
Win rate
Matches, sets and games won · Last 12 months · 60–64 matches
| Metric | Sun | Simakin |
|---|---|---|
| Matches won | 50% | 59% |
| Sets won | 51% | 55% |
| Games won | 51% | 52% |
Record by tier
Head-to-head record by tournament tier
| Stage | Sun | Simakin |
|---|---|---|
| ATP Challenger Tour | 1 | 1 |
By surface
Head-to-head record per surface
| Surface | Sun | Simakin |
|---|---|---|
| Hard | 1 | 1 |
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