Jerome Kym and Calvin Hemery will fight against each other in the 1st round of the EFG Swiss Open for the 1st time in their career. They are scheduled to compete on Tuesday at 3:00 pm on ROY EMERSON ARENA. In the following lines you can find the head to head analysis and prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Jerome Kym who should win in 2 sets.

As per the initial odds, Jerome Kym is the pick to win this match.
Jerome Kym -> 1.37
Calvin Hemery -> 3.1

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Prediction and head to head Jerome Kym vs. Calvin Hemery

There is no head to head record between Jerome Kym and Calvin Hemery since this will be the first time that they will face off in the main tour.

Jerome Kym

Jerome Kym

14 - 13win/loss

Hard
1-2
I Hard
1-2
Clay
12-8
Grass
0-1
Rank
184
High
123
LLLWWWWWLW
Year Total Hard Clay I.hard Grass Carpet
2025 24-20 6-3 17-13 1-3 0-1 0-0
2024 59-20 14-4 37-11 8-5 0-0 0-0
2023 23-9 0-0 18-9 0-0 0-0 5-0
2022 41-22 17-5 12-9 9-5 0-0 3-3
2021 5-6 0-0 3-2 1-3 0-0 1-1

Ranked no. 154, the Swiss will start his run in Gstaad after he played his last match in the Trieste Challenger where he lost 4-6 6-2 6-4 to Sachko

in the 1st round on the 8th of July.

The Swiss has an overall 13-13 win-loss record in 2025, 11-8 on clay (See FULL STATS).

The Swiss’s best result of the season was reaching the semifinal in the Mauthausen Challenger,the Vicenza Challenger and the Modena Challenger.

Talking about his overall career, Kym has an overall 144-74 record. He has a positive 82-42 record on clay.

Previously in Gstaad

Previously, his best result was reaching the qualifications in 2024. See his history.

Gstaad
Kym's Record

Calvin Hemery

Calvin Hemery

24 - 22win/loss

Hard
1-2
I Hard
3-4
Clay
20-15
Grass
0-1
Rank
257
High
116
LWLLLWWLLL
Year Total Hard Clay I.hard Grass Carpet
2025 30-33 3-6 21-16 6-10 0-1 0-0
2024 39-33 1-3 27-19 11-11 0-0 0-0
2023 49-25 8-2 28-14 13-9 0-0 0-0
2022 28-29 6-6 19-16 3-7 0-0 0-0
2021 36-20 8-6 20-8 7-5 0-0 1-1

Ranked no. 171, Calvin reached the 1st round after beating Yannick Hanfmann 7-5 7-6(7) and Facundo Bagnis 6-4 1-6 6-1.

In the qualifications, Calvin defeated Bagnis (6-4 1-6 6-1). During the match Hemery scored 70 points vs Bagnis’s 68. The French player was pretty aggressive to blast 33 winners.

About the serving games, Hemery fired 5 aces and he committed only 4 double faults. Calvin Hemery lost the serve twice and he saved 2 break points. Furthermore, Hemery put 63% of his first serves in, winning 77% (33/43) of the points behind his 1st serve and 48% (12/25) on the 2nd serve. Calvin broke Bagnis 3 times after converting 43% of his break points (3/7).

Overall Performance in this tournament

Hemery started his run at this tournament from the qualifications. In the main draw, he has conceded 1 set in the tournament to win 52% of the points he played.

The French player best result of the season was getting to the final in the Brazzaville Challenger and the Troyes Challenger.

The French player has an overall 24-21 win-loss record in 2025, 20-14 on clay (See FULL STATS).

Previously in Gstaad

Previously, his best result was reaching the 1st round in 2015. See his history.

Gstaad
Hemery's Record

Tennis Scores in Gstaad

  • Ignacio BuseBuseLaslo DjereDjere (7-64 1-6 6-4) – Stats, scores, rankings
  • Arthur CazauxCazauxNikoloz BasilashviliBasilashvili (4-6 7-5 7-65) – Stats, scores, rankings
  • Kamil MajchrzakMajchrzakTerence AtmaneAtmane (6-4 3-6 6-2) – Stats, scores, rankings
  • Gonzalo Escobar/Diego HidalgoEscobar/Diego HidalgoNicolas Mahut/Arthur RinderknechMahut/Arthur Rinderknech (6-74 6-4 12-10) – Stats, scores, rankings
  • Dominic StrickerStrickerPierre-Hugues HerbertHerbert (4-6 6-4 6-2) – Stats, scores, rankings
  • Francisco Cabral/Lucas MiedlerCabral/Lucas MiedlerFrancisco Comesana/Tomas Martin EtcheverryComesana/Tomas Martin Etcheverry (6-3 6-4) – Stats, scores, rankings
  • Roman Andres BurruchagaAndres BurruchagaDalibor SvrcinaSvrcina (6-3 6-1) – Stats, scores, rankings

Upcoming matches in the draw