May 5 (Reuters) - Tristan Boyer is struggling to make an impact with his tennis this season but is building quite a reputation for temper tantrums after a spectacular meltdown during a Challenger series event in Italy on Monday.
The third-seeded American lost his cool when, having lost the opening set, he gave up his serve to go 6-5 down to teenager Daniele Rapagnetta in their clash at the Francavilla al Mare Open.
