Arianne Hartono vs Solana SierraPrediction, Head-to-Head Results, and Stats
🇳🇱Arianne Hartono
#676 · 30 yrs · Right-Handed
37w1 meeting · sets 0–2
🇦🇷Solana Sierra
#101 · 21 yrs · Right-Handed
3wArianne Hartono and Solana Sierra have met 1 time since 2025; Solana Sierra leads 1–0. Across all meetings Hartono has taken 0 sets to Sierra's 2. Their most recent meeting: Solana Sierra won at SP Open - Sao Paulo (2025).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Hartono | Sierra | ||
|---|---|---|---|---|
| Indicator | Arianne Hartono | Solana Sierra | ||
| Wins in straight sets | 50% | 1/2 | 63% | 15/24 |
| Wins a set when losing | 20% | 1/5 | 19% | 5/27 |
| Goes to a deciding set | 29% | 2/7 | 27% | 14/51 |
| Covers −1.5 sets as favorite | 0% | 0/1 | 35% | 7/20 |
| Covers +1.5 sets as underdog | 50% | 3/6 | 57% | 17/30 |
| Tiebreak sets won | 100% | 1/1 | 63% | 5/8 |
| Wins after taking set 1 | 100% | 1/1 | 95% | 19/20 |
| Wins 2-0 after taking set 1 | 100% | 1/1 | 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 (Hartono 0, Sierra 1).
Style Matchup
Playing styles and historical archetype record
Hartono
💥 Big Hitter
Sierra
💥 Big Hitter
Matchup analysis
Both Arianne Hartono and Solana Sierra are 💥 Big Hitter types. Mirror matchups usually come down to execution, fitness, and surface fit, across 5,594 matches in our dataset the historical split is about even.
Previous meetings
1 career meeting, newest first
Sep 8, 2025
SP Open - Sao Paulo
H Hard · 1st Round
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Hartono | Sierra |
|---|---|---|
| W-L | - | 1–6 |
| Avg odds | - | 2.62 |
| ROI % | - | -79.1% |
| Units P/L | - | -5.54u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Hartono | Sierra |
|---|---|---|
| Countries | — | 2 |
| Events | — | 2 |
| Matches | — | 3 |
| Distance | — | 6,728 mi · 10,827 km |
| Route | — | BRA → EST |
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.
Common opponents
Results vs. opponents both players faced · Last 12 months
Sierra has a higher win rate against shared opponents (100% vs Hartono's 0%).
| Opponent | Hartono | Sierra |
|---|---|---|
| Joanna Garland | L 46 36 | W 64 76 |
Recent Form
Last five matches per player
Kristina Liutova
W100 San Diego 1 · 2nd Round
Jan 29
Lea Ma
W100 San Diego 1 · 1st Round
Jan 28
Arantxa Rus
W100 Dubai 1 · 2nd Round
Dec 3
Mei Yamaguchi
W100 Dubai 1 · 1st Round
Dec 2
Dalila Jakupovic
W75 Fujairah 1 · 1st Round
Nov 24
Anouck Vrancken Peeters
W75 Petange 1 · 1st Round
Nov 18
Joanna Garland
Chennai Open - Chennai · 1st Round
Oct 29
Lulu Sun
WTA 125 Jinan Open - Jinan · 2nd Round
Oct 15
Deniz Dilek
Ankara Open - Ankara · 1st Round
Sep 23
Suzan Lamens
SP Open - Sao Paulo · 2nd Round
Sep 17
Cadence Brace
SP Open - Sao Paulo · 1st Round
Sep 16
Elina Svitolina
U.S. Open - New York · 1st Round
Aug 31
Aoi Ito
Cincinnati Open - Cincinnati · 1st Round Qualifying
Aug 11
Sloane Stephens
National Bank Open - Toronto · 1st Round
Aug 4
Tatiana Prozorova
The Memphis Classic - Memphis · 1st Round
Jul 28
Coco Gauff
Wimbledon - London · 2nd Round
Jul 1
Win rate
Matches, sets and games won · Last 12 months · 7–51 matches
| Metric | Hartono | Sierra |
|---|---|---|
| Matches won | 29% | 47% |
| Sets won | 31% | 46% |
| Games won | 40% | 47% |
Record by tier
Head-to-head record by tournament tier
| Stage | Hartono | Sierra |
|---|---|---|
| WTA 250 | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Hartono | Sierra |
|---|---|---|
| Hard | 0 | 1 |
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