Russian youngster Diana Shnaider capped a great week of grass court tennis with a 6-3, 2-6, 6-3 triumph over Donna Vekic for the Bad Homburg Open title on Saturday. Shnaider, 20, clinched her biggest career success in 2 hours 12 minutes. She broke Vekic four times while saving 10 of the 13 break points her Croatian opponent had. Shnaider reached the final over three-time grand slam champion Angelique Kerber, Australian Open semi-finalist Dayana Yastremska, former world number two Paula Badosa and third seed Emma Navarro. “It was an amazing week for me … I managed to play one of the best week…