Michael van Gerwen suffered defeat in his opening match of the Swiss Darts Trophy on Saturday.The world No.9 was beaten in the second round by Mensur Suljovic in Basel.Van Gerwen’s woes continued at the Swiss Darts TrophyVan Gerwen had received a bye into the last 32 as the fifth seed at the event.However, he will not be getting his hands on a first European Tour title of the year this weekend.Instead, Suljovic was triumphant in their clash, winning 6-4 to set up a last 16 meeting with Ross Smith.As for Van Gerwen, he has now lost his opening match at four separate European Tour events in 2026.It is the first time he has done so since the EuroTour began in 2012.The three-time world champion was also beaten in the second round at the European Darts Trophy, German Darts Grand Prix and Flanders Darts Trophy.Meanwhile, he remains without an event win on the circuit this season.His best performances came at the Belgian Darts Open and Czech Darts Open, where he made the semi-finals.When does Van Gerwen play next?Van Gerwen will have the chance to change that next week at the Dutch Darts Championship in Maastricht.The tournament marks the final event before this month’s European Championship.Van Gerwen has suffered four opening match defeats on the EuroTour for the first timeGettyMighty Mike remains on course to qualify as part of the top 32 in the EuroTour Order of Merit.Despite his loss to Suljovic, he takes home £3,500 to take his overall prize money at European Tour events this year to £56,000.With just three titles to his name this year, though, Van Gerwen is at risk of dropping out of the world’s top 16 before the end of 2016.If he is knocked out of the PDC World Darts Championship early, he will almost certainly slide down the rankings.Van Gerwen will lose the £200,000 he won by reaching the final at Alexandra Palace at the start of 2025.His current position in the rankings also means he is not guaranteed a place in next year’s Premier League.Van Gerwen faces a critical couple of months on the PDC TourOnly the top four players in the world receive an automatic entry into the weekly tournament, which the 37-year-old has won a record seven times.The rest of the field consists of PDC invitees, although close friend Vincent van der Voort has urged Van Gerwen to reject an approach to appear in the 2027 Premier League.