ATP Prague Challenger Men Tennis All Stars Singles 18 August 2020 Hlavni mesto Praha, Czech Republic Elias Ymer defeats Evgeny Karlovskiy Previous Rating: 1692 ± 384 - 1708 ± 376 Rating Change: +235 - -218 New Rating: 1927 ± 320 - 1490 ± 317 Set Score: 2 - 0 Aslan Karatsev defeats Robin Haase Previous Rating: 1299 ± 455 - 2287 ± 226 Rating Change: +897 - -224 New Rating: 2196 ± 283 - 2063 ± 212 Set Score: 2 - 0 Arthur De Greef defeats Enzo Couacaud Previous Rating: 1600 ± 400 - 2284 ± 306 Rating Change: +552 - -330 New Rating: 2152 ± 293 - 1954 ± 264 Set Score: 2 - 0 Andrew Paulson defeats Filip Horansky Previous Rating: 1500 ± 400 - 2147 ± 158 Rating Change: +603 - -100 New Rating: 2103 ± 252 - 2047 ± 157 Set Score: 2 - 1 Roman Safiullin defeats Lukas Rosol Previous Rating: 1400 ± 300 - 2789 ± 175 Rating Change: +820 - -297 New Rating: 2220 ± 246 - 2492 ± 171 Set Score: 2 - 0 Tomas Machac defeats Sergiy Stakhovsky Previous Rating: 1600 ± 400 - 2217 ± 199 Rating Change: +617 - -159 New Rating: 2217 ± 262 - 2058 ± 190 Set Score: 2 - 0 Zdenek Kolar defeats Petr Nouza Previous Rating: 1600 ± 350 - 1550 ± 400 Rating Change: +177 - -230 New Rating: 1777 ± 302 - 1320 ± 325 Set Score: 2 - 0 Jay Clarke defeats Dmitry Popko Previous Rating: 2000 ± 400 - 2000 ± 400 Rating Change: +200 - -200 New Rating: 2200 ± 336 - 1800 ± 336 Set Score: 2 - 1 Jan Satral defeats Ruben Bemelmans Previous Rating: 1600 ± 400 - 2591 ± 223 Rating Change: +806 - -259 New Rating: 2406 ± 263 - 2332 ± 206 Set Score: 2 - 0 Adrian Menendez-Maceiras defeats Rudolf Molleker Previous Rating: 1600 ± 400 - 1800 ± 400 Rating Change: +296 - -296 New Rating: 1896 ± 327 - 1504 ± 327 Set Score: 2 - 0 Michael Vrbensky defeats Daniel Masur Previous Rating: 1600 ± 400 - 1600 ± 400 Rating Change: +232 - -232 New Rating: 1832 ± 332 - 1368 ± 332 Set Score: 2 - 0 Oscar Otte defeats Malek Jaziri Previous Rating: 1600 ± 400 - 1433 ± 443 Rating Change: +178 - -216 New Rating: 1778 ± 346 - 1217 ± 369 Set Score: 2 - 0 Mats Moraing defeats Alexey Vatutin Previous Rating: 1600 ± 400 - 1401 ± 463 Rating Change: +143 - -188 New Rating: 1743 ± 354 - 1213 ± 390 Set Score: 2 - 1 Jonas Forejtek defeats Botic Van De Zandschulp Previous Rating: 1600 ± 350 - 1937 ± 400 Rating Change: +252 - -330 New Rating: 1852 ± 296 - 1607 ± 318 Set Score: 2 - 1 Tallon Griekspoor defeats Andrey Kuznetsov Previous Rating: 1700 ± 416 - 1300 ± 300 Rating Change: +145 - -73 New Rating: 1845 ± 353 - 1227 ± 277 Set Score: 2 - 0 Jiri Lehecka defeats Nicola Kuhn Previous Rating: 1550 ± 400 - 1401 ± 463 Rating Change: +179 - -237 New Rating: 1729 ± 348 - 1164 ± 380 Set Score: 2 - 0 Elias Ymer defeats Martin Klizan Previous Rating: 1927 ± 320 - 2261 ± 237 Rating Change: +295 - -166 New Rating: 2222 ± 247 - 2095 ± 213 Set Score: 2 - 1 Yannick Maden defeats Arthur De Greef Previous Rating: 1871 ± 255 - 2152 ± 293 Rating Change: +220 - -271 New Rating: 2091 ± 221 - 1881 ± 234 Set Score: 2 - 0 Aslan Karatsev defeats Jiri Vesely Previous Rating: 2196 ± 283 - 2883 ± 125 Rating Change: +537 - -117 New Rating: 2733 ± 204 - 2766 ± 127 Set Score: 2 - 0 Henri Laaksonen defeats Jan Satral Previous Rating: 2071 ± 308 - 2406 ± 263 Rating Change: +276 - -194 New Rating: 2347 ± 247 - 2212 ± 226 Set Score: 2 - 1 Ernests Gulbis defeats Andrew Paulson Previous Rating: 2664 ± 143 - 2103 ± 252 Rating Change: +10 - -15 New Rating: 2674 ± 150 - 2088 ± 241 Set Score: 2 - 1 Michael Vrbensky defeats Steven Diez Previous Rating: 1832 ± 332 - 1827 ± 334 Rating Change: +189 - -193 New Rating: 2021 ± 278 - 1634 ± 281 Set Score: 2 - 0 Philipp Kohlschreiber defeats Mats Moraing Previous Rating: 2665 ± 167 - 1743 ± 354 Rating Change: +7 - -15 New Rating: 2672 ± 173 - 1728 ± 340 Set Score: 2 - 0 Tomas Machac defeats Ilya Ivashka Previous Rating: 2217 ± 262 - 2586 ± 144 Rating Change: +337 - -111 New Rating: 2554 ± 195 - 2475 ± 141 Set Score: 2 - 0 Stan Wawrinka defeats Roman Safiullin Previous Rating: 3018 ± 99 - 2220 ± 246 Rating Change: +4 - -2 New Rating: 3022 ± 112 - 2218 ± 243 Set Score: 2 - 1 Tallon Griekspoor defeats Kimmer Coppejans Previous Rating: 1845 ± 353 - 1656 ± 455 Rating Change: +117 - -191 New Rating: 1962 ± 318 - 1465 ± 377 Set Score: 2 - 1 Zdenek Kolar defeats Sebastian Ofner Previous Rating: 1777 ± 302 - 1919 ± 391 Rating Change: +184 - -309 New Rating: 1961 ± 264 - 1610 ± 304 Set Score: 2 - 0 Pierre-Hugues Herbert defeats Jonas Forejtek Previous Rating: 2851 ± 100 - 1852 ± 296 Rating Change: +4 - -1 New Rating: 2855 ± 112 - 1851 ± 294 Set Score: 2 - 1 Jozef Kovalik defeats Adrian Menendez-Maceiras Previous Rating: 2433 ± 125 - 1896 ± 327 Rating Change: +10 - -36 New Rating: 2443 ± 133 - 1860 ± 299 Set Score: 2 - 1 Oscar Otte defeats Arthur Rinderknech Previous Rating: 1778 ± 346 - 2000 ± 400 Rating Change: +246 - -329 New Rating: 2024 ± 293 - 1671 ± 315 Set Score: 2 - 0 Jiri Lehecka defeats Blaz Rola Previous Rating: 1729 ± 348 - 1937 ± 263 Rating Change: +307 - -178 New Rating: 2036 ± 268 - 1759 ± 234 Set Score: 2 - 0 Stan Wawrinka defeats Oscar Otte Previous Rating: 3022 ± 112 - 2024 ± 293 Rating Change: 0 - -1 New Rating: 3022 ± 112 - 2023 ± 291 Set Score: 2 - 1 Henri Laaksonen defeats Yannick Maden Previous Rating: 2347 ± 247 - 2091 ± 221 Rating Change: +58 - -47 New Rating: 2405 ± 222 - 2044 ± 203 Set Score: 2 - 1 Mikael Ymer defeats Tomas Machac Previous Rating: 2745 ± 105 - 2554 ± 195 Rating Change: +13 - -45 New Rating: 2758 ± 102 - 2509 ± 174 Set Score: 2 - 1 Sumit Nagal defeats Jiri Lehecka Previous Rating: 1992 ± 321 - 2036 ± 268 Rating Change: +184 - -124 New Rating: 2176 ± 266 - 1912 ± 237 Set Score: 2 - 1 Aslan Karatsev defeats Ernests Gulbis Previous Rating: 2733 ± 204 - 2674 ± 150 Rating Change: +108 - -60 New Rating: 2841 ± 171 - 2614 ± 138 Set Score: 2 - 0 Pierre-Hugues Herbert defeats Zdenek Kolar Previous Rating: 2855 ± 112 - 1961 ± 264 Rating Change: 0 - -1 New Rating: 2855 ± 112 - 1960 ± 262 Set Score: 2 - 1 Tallon Griekspoor defeats Jozef Kovalik Previous Rating: 1962 ± 318 - 2443 ± 133 Rating Change: +424 - -74 New Rating: 2386 ± 216 - 2369 ± 126 Set Score: 2 - 1 Stan Wawrinka defeats Sumit Nagal Previous Rating: 3022 ± 112 - 2176 ± 266 Rating Change: +1 - -2 New Rating: 3023 ± 111 - 2174 ± 263 Set Score: 2 - 1 Michael Vrbensky defeats Mikael Ymer Previous Rating: 2021 ± 278 - 2758 ± 102 Rating Change: +521 - -70 New Rating: 2542 ± 197 - 2688 ± 99 Set Score: 2 - 1 Aslan Karatsev defeats Henri Laaksonen Previous Rating: 2841 ± 171 - 2405 ± 222 Rating Change: +21 - -35 New Rating: 2862 ± 163 - 2370 ± 205 Set Score: 2 - 0 Pierre-Hugues Herbert defeats Tallon Griekspoor Previous Rating: 2855 ± 112 - 2386 ± 216 Rating Change: +4 - -13 New Rating: 2859 ± 111 - 2373 ± 206 Set Score: 2 - 1 Stan Wawrinka defeats Michael Vrbensky Previous Rating: 3023 ± 111 - 2542 ± 197 Rating Change: +3 - -9 New Rating: 3026 ± 110 - 2533 ± 191 Set Score: 2 - 1 Aslan Karatsev defeats Pierre-Hugues Herbert Previous Rating: 2862 ± 163 - 2859 ± 111 Rating Change: +97 - -45 New Rating: 2959 ± 139 - 2814 ± 104 Set Score: 2 - 0 Stan Wawrinka defeats Aslan Karatsev Previous Rating: 3026 ± 110 - 2959 ± 139 Rating Change: +39 - -62 New Rating: 3065 ± 103 - 2897 ± 123 Set Score: 2 - 0