Spanish tennis player Rafael Nadal remained in the number one spot in the men’s Association of Tennis Professionals (ATP) world singles rankings released on Monday.Nadal, 16-time Grand Slam champion, maintained the top spot although he lost the Shanghai Rolex Masters final on Sunday against Switzerland’s Roger Federer who came in second, reports Efe.Britain’s Andy Murray occupied the third position, while Croatian Marin Cilic jumped to the fourth.German Alexander Zverev dropped to fifth.Austrian Dominic Thiem went up one position to replace Serbian Novak Djokovic, who held the seventh spot.Bulgarian Grigor Dimitrov jumped to the eighth spot, while Swiss Stan Wawrinka dropped to the ninth..@cilic_marin rises 1 spot after a @SH_RolexMasters SF run. Read & View Latest @Emirates ATP Race To London: https://t.co/g8XwUW4T0A pic.twitter.com/w2C4vLuttw- ATP World Tour (@ATPWorldTour) October 16, 2017HALEP LEADS THE PACKFrom @ChrissieEvert to @Simona_Halep: The 25 WTA World No.1s ???! –> https://t.co/jAHCsg6DkA pic.twitter.com/DJqRe28LAu- WTA (@WTA) October 7, 2017Romanian tennis player Simona Halep continued to lead the Women’s Tennis Association (WTA) rankings released on Monday.The 26-year-old Romanian star reached the number one for the first time in her career last week to put an end to the four-week reign of Spaniard GarbiNe Muguruza, who came in second, reports Efe.There were no changes in this week’s rankings, as Czech Karolina Pliskova held the third position, followed by Ukrainian Elina Svitolina.American Venus Williams came in fifth, followed by Danish Caroline Wozniacki.advertisementThe current ATP rankings and point scores are as follows:1. Rafael Nadal (Spain) 10,465 points2. Roger Federer (Switzerland) 8,5053. Andy Murray (United Kingdom) 5,2904. Marin Cilic (Croatia) 4,5055. Alexander Zverev (Germany) 4,4006. Dominic Thiem (Austria) 3,9357. Novak Djokovic (Serbia) 3,7658. Grigor Dimitrov (Bulgaria) 3,5909. Stan Wawrinka (Switzerland) 3,45010. David Goffin (Belgium) 2,885.The current WTA rankings and point scores are as follows:1. Simona Halep (Romania) 6,175 points2. Garbine Muguruza (Spain) 6,1353. Karolina Pliskova (Czech Republic) 5,6054. Elina Svitolina (Ukraine) 5,4655. Venus Williams (United States) 4,6426. Caroline Wozniacki (Denmark) 4,6407. Jelena Ostapenko (Latvia) 4,5108. Svetlana Kuznetsova (Russia) 3,9509. Caroline Garcia (France) 3,86010. Johanna Konta (Britain) 3,795.