![Russian Mikhail Youzhny is embraced by his coach Boris Sobkin (R) after winning the final of the ABN AMRO World Tennis Tournament in Rotterdam, the Netherlands, February 25, 2007. REUTERS/Paul Vreeker (NETHERLANDS Russian Mikhail Youzhny is embraced by his coach Boris Sobkin (R) after winning the final of the ABN AMRO World Tennis Tournament in Rotterdam, the Netherlands, February 25, 2007. REUTERS/Paul Vreeker (NETHERLANDS](https://c8.alamy.com/zooms/9/a8399f73173447afa08647df205348f5/2e7fj3y.jpg)
Russian Mikhail Youzhny is embraced by his coach Boris Sobkin (R) after winning the final of the ABN AMRO World Tennis Tournament in Rotterdam, the Netherlands, February 25, 2007. REUTERS/Paul Vreeker (NETHERLANDS
![ATP Tour on Twitter: "Apart from that, Boris Sobkin saw real potential in Mikhail Youzhny as a 10-year-old😊. Learn more about this epic 25-year coach-player relationship. Read More ➡️ https://t.co/zp7H09AcRy https://t.co/FdroQdcwl0" / ATP Tour on Twitter: "Apart from that, Boris Sobkin saw real potential in Mikhail Youzhny as a 10-year-old😊. Learn more about this epic 25-year coach-player relationship. Read More ➡️ https://t.co/zp7H09AcRy https://t.co/FdroQdcwl0" /](https://pbs.twimg.com/media/DnnqrFkW0AA3DCs.png:large)
ATP Tour on Twitter: "Apart from that, Boris Sobkin saw real potential in Mikhail Youzhny as a 10-year-old😊. Learn more about this epic 25-year coach-player relationship. Read More ➡️ https://t.co/zp7H09AcRy https://t.co/FdroQdcwl0" /
Diego Schwartzman's "stoked" at the Cincinnati Masters 1000 that helped him win a set and aroused the anger of his rival's coach - Archysport
![تويتر \ Tennis TV على تويتر: "#Youzhny fighting. Coach Boris Sobkin still living every moment. Watch @genevaopen live: https://t.co/YG3sKNtCGU https://t.co/jlPdt2N1U1" تويتر \ Tennis TV على تويتر: "#Youzhny fighting. Coach Boris Sobkin still living every moment. Watch @genevaopen live: https://t.co/YG3sKNtCGU https://t.co/jlPdt2N1U1"](https://pbs.twimg.com/media/Cil--zoXIAEsyQy.jpg)
تويتر \ Tennis TV على تويتر: "#Youzhny fighting. Coach Boris Sobkin still living every moment. Watch @genevaopen live: https://t.co/YG3sKNtCGU https://t.co/jlPdt2N1U1"
![Roger Federer's place in the Big Three is in doubt,' says Russian coach - TennisBuzz - Breaking tennis news, live scores and features Roger Federer's place in the Big Three is in doubt,' says Russian coach - TennisBuzz - Breaking tennis news, live scores and features](https://tennisbuzz.net/.image/ar_1:1%2Cc_fill%2Ccs_srgb%2Cfl_progressive%2Cq_auto:good%2Cw_1200/MTkxNjM5NTAxNTczMjAzNjE5/roger-federer-ball-toss.jpg)
Roger Federer's place in the Big Three is in doubt,' says Russian coach - TennisBuzz - Breaking tennis news, live scores and features
![Tennis TV on Twitter: "Mikhail #Youzhny & Boris Sobkin courtside to watch #Donskoy take on #Ram @genevaopen. https://t.co/S26QRmAGim https://t.co/RpZuKtSoz0" / Twitter Tennis TV on Twitter: "Mikhail #Youzhny & Boris Sobkin courtside to watch #Donskoy take on #Ram @genevaopen. https://t.co/S26QRmAGim https://t.co/RpZuKtSoz0" / Twitter](https://pbs.twimg.com/media/Cipwy2hWYAAuVUi.jpg)