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WTA/Hertogenbosch WTA/1/16-finals

Sierra's strong return game gives her the edge over Boisson

Analysis by Predict Tennis

Note: Written by humans, with the help of AI. Based on real statistical data.

Published: Jun 7, 2026(..)

Solana Sierra and Lois Boisson meet in the round of 32 at the Hertogenbosch WTA on grass this Sunday, 7 June, with the best-of-three format promising a sharp test.

While Boisson holds a past head-to-head advantage, Sierra arrives with vastly superior recent form and the clear backing of the betting market.

Previous clay clash masks a new surface test

Boisson holds a 1-0 lead after a dominant 6-0, 6-1 victory in the round of 16 at the Saint-Malo Challenger on clay in May 2024. However, grass presents an entirely different challenge, and neither player has logged a competitive match on the surface this season.

Boisson L.

Sierra S.

Wins
1 0
First Serve Points Won
84 %44 %
Second Serve Points Won
73 %33 %
Return Points Won
60 %19 %
Break Points Converted
56 %0 %
Break Points Saved
100 %44 %

Sierra's consistency sharply contrasts with Boisson's struggles

The last ten matches tell a stark story, with Sierra winning six outings to Boisson's two. Sierra takes 61% of her service games and an impressive 43% of return games, whereas Boisson struggles to break serve with only a 19% success rate. Over the full season, Sierra sits at 16-16, highlighting a sharp contrast to Boisson's single win in six matches.

Bookmakers lean heavily towards the in-form player

Bookmakers price Sierra at 1.53 against Boisson at 2.5, with first-set odds reflecting similar confidence at 1.62 to 2.3. The market clearly expects Sierra to dictate play from the opening game.

Return pressure could prove decisive on grass

Sierra's ability to win 43% of her return games recently gives her a distinct edge in applying early pressure. Boisson's serve must be exceptionally sharp to offset that threat, particularly given her own documented difficulties in breaking opponents. Both players carry similar court time over their last few matches, meaning fatigue is unlikely to play a role.

Boisson L.

Sierra S.

Win Percentage
30 %60 %
Aces per match
2.3 1.6
Double Faults per match
3.1 4.2
First Serve Points Won
63 %62 %
Second Serve Points Won
39 %42 %
Return Points Won
38 %47 %
Break Points Converted
33 %48 %
Break Points Saved
52 %63 %
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Prediction

Hertogenbosch WTAPICK

Solana Sierra

68%
Predicted Winner

Lois Boisson

The overall indicators tilt strongly towards Sierra, driven by her superior recent form and significantly better return statistics. These factors easily outweigh Boisson's solitary head-to-head victory on a completely different surface. Sierra looks the much more reliable pick to advance.

Odds

Odds:

To Win Match

Total Games

22.5

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