Li Tu vs Zack ViialaPrediction, Head-to-Head Results, and Stats
Li Tu and Zack Viiala have met 1 time since 2023; Li Tu leads 1–0. Across all meetings Tu has taken 2 sets to Viiala's 0. Their most recent meeting: Li Tu won at Playford (2023).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Tu | Viiala | ||
|---|---|---|---|---|
| Indicator | Li Tu | Zack Viiala | ||
| Wins in straight sets | 71% | 15/21 | 0% | 0/2 |
| Wins a set when losing | 22% | 4/18 | — | |
| Goes to a deciding set | 26% | 10/39 | 100% | 2/2 |
| Covers −1.5 sets as favorite | 52% | 13/25 | — | |
| Covers +1.5 sets as underdog | 15% | 2/13 | 100% | 1/1 |
| Tiebreak sets won | 50% | 7/14 | 50% | 1/2 |
| Wins after taking set 1 | 80% | 16/20 | — | |
| Wins 2-0 after taking set 1 | 75% | 15/20 | — | |
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. Small sample — read with care. Head-to-head: 1 of 1 completed meetings ended in straight sets (Tu 1, Viiala 0).
Previous meetings
1 career meeting, newest first
Oct 23, 2023
Playford
H Hard · Round of 32
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Tu | Viiala |
|---|---|---|
| W-L | 2–4 | - |
| Avg odds | 1.88 | - |
| ROI % | -44.6% | - |
| Units P/L | -2.67u | - |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Tu | Viiala |
|---|---|---|
| Countries | 1 | — |
| Events | 2 | — |
| Matches | 4 | — |
| Distance | 1,953 mi · 3,143 km | — |
| Route | USA | — |
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.
Recent Form
Last five matches per player
Abedallah Shelbayh
Columbus Challenger · 1st Round
Sep 29
James Kent Trotter
Columbus Challenger · 3rd Round Qualifying
Sep 28
Nicolas Oliveira
Columbus Challenger · 1st Round Qualifying
Sep 27
Alafia Ayeni
San Diego 2 Challenger · 1st Round Qualifying
Sep 20
Roger Pascual Ferra
Tiburon Challenger · 1st Round Qualifying
Sep 13
Quinn Vandecasteele
Winston-Salem Open - Winston-Salem · 1st Round Qualifying
Aug 22
Lorenzo Carboni
Internazionali di Tennis Città di Perugia | G.I.MA. Tennis Cup · 1st Round Qualifying
May 31
Lukas Neumayer
Vicenza Challenger · 1st Round
May 25
Tai Sach
Futures 2026
Jul 16
Taiki Takizawa
Futures 2026
Jul 15
Alex Rybakov
Champaign · 2nd Round Qualifying
Nov 11
Adam Neff
Champaign · 1st Round Qualifying
Nov 10
Li Tu
Playford · Round of 32
Oct 23
Rubin Statham
Traralgon · 1st Round Qualifying
Jan 2
Win rate
Matches, sets and games won · Last 12 months · 2–39 matches
| Metric | Tu | Viiala |
|---|---|---|
| Matches won | 54% | 100% |
| Sets won | 52% | 67% |
| Games won | 51% | 54% |
Record by tier
Head-to-head record by tournament tier
| Stage | Tu | Viiala |
|---|---|---|
| ATP Challenger Tour | 1 | 0 |
By surface
Head-to-head record per surface
| Surface | Tu | Viiala |
|---|---|---|
| Hard | 1 | 0 |
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