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Sailor · 2015–2026

Romain Defferrard

club nautique de versoix M2HandicapSurprise

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Events
63

478 races · 127 race wins

Win rate
29%

29% win rate · 18 of 63

Podium rate
49%

31 top-three finishes

Typically beats
88%

of boats faced (range 87%–89%, 3,266 boats)

Best class ranking
#1

Crew in M2 · rating 587

Longest win streak
7

race wins in a row

Most successful partnership
Victor Casas

16 wins · 26 podiums in 41 events together · 39% win rate

Best trio
Victor Casas & Romuald Hausser

6 wins · 9 podiums in 15 events, all three aboard

Biggest lift
Victor Casas

+31 points of fleet beaten when sailing together

Longest-running crew
Victor Casas

May 2017 – Aug 2026 · 41 events

Nemesis
Tom Rüegge

32–46 head to head in 78 races

Rival
Stefan Seger

35–42 in 78 races

Best day
10 Jun 2023

3-2 · Bol d'Or Mirabaud

Signature result
2nd of 406

Bol d'Or Mirabaud · Handicap · 10 Jun 2023

Partnerships · 44 sailors

Most successful partnership: Victor Casas — 16 wins · 26 podiums in 41 events together · 39% win rate
  • Victor Casas · Cabestan, CER - Aprotec SA, CER - Aprotec SA - Ville de Genève, CER - Banque du Leman · Handicap, International Swiss J/70 Championship 2021 - Ascona, J/70, M2 41events 16 wins together · 26 podiums · 39% win rate · 101 of 289 races won Beat 87% of the fleet together(+31 vs. without) · best 1st · May 2017 – Aug 2026
  • Benjamin Delaloye · CER - Aprotec - Ville de Genève, Club Nautique de Versoix · J/70, SSL Challenge League CVE, Super League, Swiss Sailing Challenge League ACT IV/2020 20events 5 wins together · 8 podiums · 25% win rate · 45 of 185 races won Beat 71% of the fleet together(−8 vs. without) · best 1st · Jun 2017 – Aug 2026
  • Romuald Hausser · CER - Aprotec - Ville de Genève, Club Nautique de Versoix · J/70, SSL Super League, Swiss Sailing Challenge League ACT IV/2020, Swiss Sailing Super League ACT 1/2026 19events 6 wins together · 10 podiums · 32% win rate · 54 of 178 races won Beat 75% of the fleet together(−2 vs. without) · best 1st · Aug 2018 – Aug 2026
  • Mathieu Cadei · Cabestan, Club Nautique de Versoix, Mathieu Cadei, Swiss Medical Network · Handicap, M2, Match racing, SSL Challenge League CVE 11events 2 wins together · 5 podiums · 18% win rate · 32 of 100 races won Beat 71% of the fleet together(−6 vs. without) · best 1st · May 2017 – Jul 2023
  • Benjamin Senften · Club Nautique de Versoix, Fou du Vent, Swiss Medical Network · Handicap, M2, SSL Super League, Super League 8events 1 wins together · 3 podiums · 13% win rate · 12 of 80 races won Beat 77% of the fleet together(+1 vs. without) · best 1st · May 2018 – Jun 2025
  • Sacha Bevant · CER - Aprotec SA - Ville de Genève, Club Nautique de Versoix, Swiss Medical Network · J/70, M2, Swiss Sailing Challenge League ACT III/2020, Swiss Sailing Super League 7events 1 wins together · 3 podiums · 14% win rate · 12 of 54 races won Beat 69% of the fleet together(−8 vs. without) · best 1st · Apr 2018 – Jun 2022
  • Nelson Mettraux · CER - Aprotec SA - Ville de Genève, CER - Aprotec SA, CER - Ville de Genève, Club Nautique de Versoix · Handicap, International Swiss J/70 Championship 2021 - Ascona, J/70, M2 7events 2 wins together · 4 podiums · 29% win rate · 15 of 50 races won Beat 90% of the fleet together(+16 vs. without) · best 1st · Oct 2020 – May 2022
  • Guillaume Rol · CER - Aprotec SA - Ville de Genève, CER - Aprotec - Ville de Genève, CER - Aprotec SA, CER - Ville de Genève · Handicap, International Swiss J/70 Championship 2021 - Ascona, J/70, M2 7events 3 wins together · 4 podiums · 43% win rate · 14 of 45 races won Beat 91% of the fleet together(+17 vs. without) · best 1st · Sep 2020 – May 2022
  • Gaétan van Campenhoudt · Club Nautique de Versoix · SSL Challenge League CVE, SSL Challenge League Finals, SSL Challenge League SSCRo, SSL Challenge League YCL 6events 1 wins together · 3 podiums · 17% win rate · 20 of 70 races won Beat 79% of the fleet together(+3 vs. without) · best 1st · May 2017 – Jun 2019
  • Benoit Deutsch · Fou du Vent · Handicap, Surprise 5events 2 wins together · 3 podiums · 40% win rate · 6 of 17 races won Beat 94% of the fleet together(+20 vs. without) · best 1st · Aug 2022 – Jun 2025

Lift shows how much better this sailor finishes with that partner aboard.

Rating history

028156220182020202220242026Helm rating, full-size sailingCrew rating, full-size sailing

— Helm rating, full-size sailing · - - Crew rating, full-size sailing

Event history · 63

DateEventBoatClassRoleFinish
22 Aug 2026Swiss Sailing Super League ACT 3/2026Club Nautique de VersoixSwiss Sailing Super League ACT 3/2026Crew4th / 16
16 May 2026Swiss Sailing Super League ACT 2/2026Club Nautique de VersoixSwiss Sailing Super League ACT 2/2026Crew1st / 15
18 Apr 2026Swiss Sailing Super League ACT 1/2026Club Nautique de VersoixSwiss Sailing Super League ACT 1/2026Crew9th / 16
3 Oct 2025Swiss Sailing Super League ACT IV/2025 Final - VersoixClub Nautique de VersoixSwiss Sailing Super League Act IV/2025 Final - VersoixCrew5th / 16
28 Jun 2025Swiss Sailing Super League Act III/2025 - St. MoritzClub Nautique de VersoixSwiss Sailing Super League Act III/2025 - St. MoritzCrew1st / 16
14 Jun 2025Bol d'Or du LemanFou du VentHandicapCrew59th / 399
24 May 2025Swiss Sailing Super League Act II/2025 - Estavayer-le-LacClub Nautique de VersoixSwiss Sailing Super League Act II/2025 - Estavayer-le-LacCrew1st / 16
3 May 2025Swiss Sailing Super League Act I/2025 - MorgesClub Nautique de VersoixSwiss Sailing Super League Act I/2025 - MorgesCrew1st / 16
4 Oct 2024Swiss Sailing Super League ACT IV/2024 Final GenèveClub Nautique de VersoixSwiss Sailing Super League ACT IV/2024 Final GenèveCrew1st / 14
28 Sep 2024Criterium Surprise - Top Voiles cup 2024 - Acte 8 - FinaleCER - Banque du LemanSurpriseCrew1st / 13
31 Aug 2024Swiss Sailing Super League ACT III/2024 DavosClub Nautique de VersoixSwiss Sailing Super League ACT III/2024 DavosCrew9th / 14
12 Aug 2024Semaine du soir de FounexFou du VentHandicapCrew3rd / 29
6 Jul 2024Swiss Sailing Super League ACT II/2024 BrunnenClub Nautique de VersoixSwiss Sailing Super League ACT II/2024 BrunnenCrew4th / 14
15 Jun 2024Bol d'Or MirabaudFou du VentHandicapCrew28th / 401
4 May 2024Swiss Sailing Super League ACT I/2024 OberhofenClub Nautique de VersoixSwiss Sailing Super League ACT I/2024 OberhofenCrew1st / 14
5 Sep 20232023 J/70 European ChampionshipCER - Aprotec SA - Ville de GenèveJ/70Headsail Trimmer20th / 48
26 Aug 2023Swiss Sailing Super League ACT III/2023 KreuzlingenClub Nautique de VersoixSwiss Sailing Super League ACT 3/2023 KreuzlingenCrew8th / 14
14 Aug 2023Semaine du soir de Founex 2023Fou du VentSurpriseCrew1st / 17
8 Jul 2023Swiss Sailing Super League ACT II/2023 BrunnenClub Nautique de VersoixSwiss Sailing Super League ACT 2/2023 BrunnenSkipper8th / 14
25 Jun 2023Grand Prix M2 Speedtour 2023Swiss Medical NetworkM2Crew1st / 9
10 Jun 2023Bol d'Or MirabaudSwiss Medical NetworkHandicapCrew2nd / 406
13 May 2023Grand-Prix M2 Pro YachtingSwiss Medical NetworkM2Crew2nd / 9
6 May 2023M2 Grand Prix de NyonSwiss Medical NetworkM2Crew5th / 9
22 Apr 2023Swiss Sailing Super League ACT I/2023 AsconaClub Nautique de VersoixSwiss Sailing Super League ACT I/2023 AsconaSkipper3rd / 14
30 Sep 2022Swiss Sailing Super League ACT IV/2022 Final - VersoixClub Nautique de VersoixSwiss Sailing Super League ACT IV/2022 Final - VersoixSkipper2nd / 12

Crew rating, Full-size sailing: 545, #1,230.Helm rating, Full-size sailing: 453, #3,615. Compiled from public results; not an official ranking.