Arianne Hartono vs Solana SierraPrediction, Head-to-Head Results, and Stats
🇳🇱Arianne Hartono
#538 · 30 yrs · Right-Handed
31w1 meeting · sets 0–2
🇦🇷Solana Sierra
#87 · 21 yrs · Right-Handed
4wArianne 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 | 71% | 22/31 |
| Wins a set when losing | 25% | 2/8 | 23% | 5/22 |
| Goes to a deciding set | 30% | 3/10 | 26% | 14/53 |
| Covers −1.5 sets as favorite | 0% | 0/2 | 55% | 12/22 |
| Covers +1.5 sets as underdog | 38% | 3/8 | 61% | 17/28 |
| Tiebreak sets won | 67% | 2/3 | 75% | 6/8 |
| Wins after taking set 1 | 50% | 1/2 | 96% | 25/26 |
| Wins 2-0 after taking set 1 | 50% | 1/2 | 85% | 22/26 |
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 (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 5,096 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 | - | 4–5 |
| Avg odds | - | 2.49 |
| ROI % | - | -28.9% |
| Units P/L | - | -2.60u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Hartono | Sierra |
|---|---|---|
| Countries | — | 1 |
| Events | — | 1 |
| Matches | — | 1 |
| Distance | — | 0 mi · 0 km |
| Route | — | CAN |
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
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
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
Unknown Player
WTA 125 Jinan Open - Jinan · 1st Round
Oct 14
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
Anna Bondar
Wimbledon - London · 1st Round
Jun 29
Qinwen Zheng
Bad Homburg Open - Bad Homburg · 1st Round
Jun 22
Anna Blinkova
Bad Homburg WTA
Jun 21
Ella Seidel
Bad Homburg WTA
Jun 20
Caty Mcnally
Libema Open - 's-Hertogenbosch · 2nd Round
Jun 12
Win rate
Matches, sets and games won · Last 12 months · 10–53 matches
| Metric | Hartono | Sierra |
|---|---|---|
| Matches won | 20% | 58% |
| Sets won | 26% | 56% |
| Games won | 39% | 51% |
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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