Aldeguer and Alonso also victorious in Moto2, Moto3 at Buririam.
Spaniard Jorge Martin delivered crucial victories at round 17 of the MotoGP World Championship in Thailand, edging title-rival Francesco Bagnaia and Brad Binder in a thrilling Sunday encounter, while Fermin Aldeguer (Moto2) and Moto3 Rookie of the Year David Alonso were also victorious at Buririam.
Pole-setter and sprint race winner Martin (Prima Pramac Racing) held on take a timely 25 points on Sunday, leading Binder (Red Bull KTM Factory Racing) and Bagnaia (Ducati Lenovo Team) at the checkers.
The leading three were separated by less than three-tenths, but Binder – who crossed the line in second – was demoted to third for again exceeding track limits on the final lap.
Mooney VR46 Racing Team’s Marco Bezzecchi finished fourth, two seconds from Martin, as Fabio Quartararo (Monster Energy Yamaha MotoGP) edged Repsol Honda Team’s Marc Marquez for P5.
Positions seven to 10 featured the fast-staring Luca Marini (Mooney VR46 Racing Team), Aleix Espargaro – who crossed the line in fifth but received a three-second penalty with a tyre pressure lower than permitted – Fabio Di Giannantonio (Gresini Racing) and Johann Zarco (Prima Prama Racing). Australia’s Jack Miller (Red Bull KTM Factory Racing) was P16.
With three rounds remaining, Bagnaia leads Martin by 13 points, with the title-fight continuing to build intensity as the season’s end draws closer.
In Moto2, Beta Tools SpeedUp racer Fermin Aldeguer continued his rapid pace from Phillip Island to take pole and the race win in Thailand.
The number 54 crossed the line 3.481s ahead of championship leader Pedro Acosta (Red Bull KTM Ajo), with home-hero Somkiat Chantra (Idemitsu Honda Team Asia) completing the top three.
Fourth for Tony Arbolino was enough for the Elf Marc VDS Racing Team rider to deny Acosta of clinching the title at round 17, as Ai Ogura (Idemitsu Honda Team Asia) completed the top five.
GasGas Aspar Team’s David Alonso continued his impressive Moto3 World Championship rookie campaign with another victory in Thailand.
He emerged on top of a classic multi-rider battle for the lead in the lightweight class, with Taiyo Furusato (Honda Team Asia) and Colin Veijer (Liqui Moly Husqvarna Intact GP) featuring in positions two and three.
Fourth-placed Jaume Masia continues to lead the standings, his advantage now 17 points ahead of Ayumu Sasaki (Liqui Moly Husqvarna Intact GP), with Alonso’s victory elevating him to third and 25 points from P1.
The Idemitsu Asia Talent Cup also competed in Thailand, with Australians Marianos Nikolis and Levi Russo on track. Nikolis notched 8-7 results, while Russo went 15-13.