![Serena Williams' former coach: 'Not unrealistic' for Holger Rune to reach world no 1 this year - TennisBuzz - Breaking tennis news, live scores and features Serena Williams' former coach: 'Not unrealistic' for Holger Rune to reach world no 1 this year - TennisBuzz - Breaking tennis news, live scores and features](https://tennisbuzz.net/.image/ar_1:1%2Cc_fill%2Ccs_srgb%2Cfl_progressive%2Cg_xy_center%2Cq_auto:good%2Cw_1200%2Cx_1546%2Cy_555/MTk0MzA0NjAyMzI4Mjc4NzA1/holger-rune.jpg)
Serena Williams' former coach: 'Not unrealistic' for Holger Rune to reach world no 1 this year - TennisBuzz - Breaking tennis news, live scores and features
![French Open: Stefanos Tsitsipas knocked out by Danish teenager Holger Rune with Daniil Medvedev also beaten | Tennis News | Sky Sports French Open: Stefanos Tsitsipas knocked out by Danish teenager Holger Rune with Daniil Medvedev also beaten | Tennis News | Sky Sports](https://e0.365dm.com/22/05/2048x1152/skysports-holger-rune-tennis_5788990.jpg)
French Open: Stefanos Tsitsipas knocked out by Danish teenager Holger Rune with Daniil Medvedev also beaten | Tennis News | Sky Sports
![Janus R. Nielsen, Danish IT entrepreneur gives Holger Rune a wildcard to ATP-tournament in Marbella - Vivi Marbella Janus R. Nielsen, Danish IT entrepreneur gives Holger Rune a wildcard to ATP-tournament in Marbella - Vivi Marbella](https://www.vivimarbella.com/wp-content/uploads/2020/10/Holger-Rune_billede-2.jpg)
Janus R. Nielsen, Danish IT entrepreneur gives Holger Rune a wildcard to ATP-tournament in Marbella - Vivi Marbella
![OMOPHOBIA. Holger Rune investigated by the ATP after his remarks - Tennis Tonic - News, Predictions, H2H, Live Scores, stats OMOPHOBIA. Holger Rune investigated by the ATP after his remarks - Tennis Tonic - News, Predictions, H2H, Live Scores, stats](https://tennistonic.com/wp-content/uploads/2021/06/Rune-in-action.jpg)