Sinner accepted a three-month ban in February following an agreement with the World Anti-Doping Agency, which challenged an independent tribunal's decision to clear him of wrongdoing after two positive tests for the anabolic agent clostebol.
Carlos Alcaraz said Sunday that the pressure to reclaim the world number one ranking from the suspended Jannik Sinner has had a negative impact on his form this season.
Sinner received a three-month ban agreed with the World Anti-Doping Agency (WADA) in February after "admitting "partial responsibility" for team mistakes.
Jannik Sinner accepted on Saturday a three-month ban from tennis after the world number one admitted team mistakes led to him twice testing positive for traces of banned substance clostebol last year.
"He has lost only four or five matches in the past year, so it's crazy. I know people say who's better out of us. They say Jannik is better or some say me. It's all discussion."
Double Australian Open champion Jannik Sinner set his sights on mastering clay and grass courts to make himself a complete player after the Italian claimed his third hardcourt Grand Slam title on Sunday.
The 23-year-old came through a tense battle between the world's top two players 6-3, 7-6 (7/4), 6-3 on Rod Laver Arena, raising his arms in the air and looking to the sky in celebration.
The victory earned the Italian world number one his third Grand Slam crown.
Sinner's coach Darren Cahill said it was no surprise for him to see his young charge back in the final, but they were wary of the threat posed by Zverev's overarching desire to finally win a Slam.
Sinner marked his return to the courts for the first time since it was revealed he had failed two drugs tests, coming back from a set and break down to defeat Mackenzie McDonald at the US Open.
Djokovic, speaking to reporters as he prepared to defend his US Open title, said players who have bemoaned a lack of transparency in the Sinner case make a valid point.
Tennis world number one Jannik Sinner said Friday he was relieved to escape a doping ban after twice testing positive for a banned substance, even though he said that he hasn't "done anything wrong."
World number one Jannik Sinner is "honest to the core" and is an "innocent victim" his coach Darren Cahill said after the Italian was cleared of any wrongdoing despite twice testing positive for a banned substance.
Tennis world number one Jannik Sinner has been cleared of any wrongdoing after twice testing positive for a banned substance earlier in the season, the International Tennis Integrity Agency (ITIA) announced Tuesday.
The Italian said he was "sad and disappointed" to drop out, adding that he had started feeling unwell on Monday after a practice week in Monaco.
His four-hour victory also ended a five-match losing streak against the Italian as Medvedev reached his ninth Grand Slam semi-final.
Title rivals Jannik Sinner and Carlos Alcaraz reached the Wimbledon third round on Wednesday as Japanese superstar Naomi Osaka was demolished on her return to Centre Court after a five-year absence.
The Italian is determined to consolidate his position at the top.
Janik Sinner's anticipated rise to world No.1 was officialised on Monday when the ATP released its new rankings, making him the first Italian ever to hold the top spot.
