![TENNIS on Twitter: "Marcelo Rios to request doping investigation into 1998 #AusOpen final. From @Kamakshi_Tandon: http://t.co/EcYTFEwab0 http://t.co/wfTpGChbZg" / Twitter TENNIS on Twitter: "Marcelo Rios to request doping investigation into 1998 #AusOpen final. From @Kamakshi_Tandon: http://t.co/EcYTFEwab0 http://t.co/wfTpGChbZg" / Twitter](https://pbs.twimg.com/media/B_SadBuUsAAcWrh.png)
TENNIS on Twitter: "Marcelo Rios to request doping investigation into 1998 #AusOpen final. From @Kamakshi_Tandon: http://t.co/EcYTFEwab0 http://t.co/wfTpGChbZg" / Twitter
![Chilean tennis star Marcelo Rios after winning his comeback tournament in Doha Qatar with the winner s trophy Stock Photo - Alamy Chilean tennis star Marcelo Rios after winning his comeback tournament in Doha Qatar with the winner s trophy Stock Photo - Alamy](https://c8.alamy.com/comp/A7H3M0/chilean-tennis-star-marcelo-rios-after-winning-his-comeback-tournament-A7H3M0.jpg)
Chilean tennis star Marcelo Rios after winning his comeback tournament in Doha Qatar with the winner s trophy Stock Photo - Alamy
![Marcelo Rios of Chile returns the ball to Giorgio Galimberti of Italy during U.S. Open second round play at the USTA National Tennis Center September 4. Rios, the second seed, won 6-2 Marcelo Rios of Chile returns the ball to Giorgio Galimberti of Italy during U.S. Open second round play at the USTA National Tennis Center September 4. Rios, the second seed, won 6-2](https://c8.alamy.com/comp/2D58TK2/marcelo-rios-of-chile-returns-the-ball-to-giorgio-galimberti-of-italy-during-us-open-second-round-play-at-the-usta-national-tennis-center-september-4-rios-the-second-seed-won-6-2-6-7-6-2-6-2-bpssvkm-2D58TK2.jpg)