The American, the champion in Houston and Newport, has been in excellent form this week and broke the serve of second seed Carreno Busta three times in a 6-3 6-4 victory.
In the final, Johnson will take on Russia’s Daniil Medvedev, who eased to a 6-1 6-1 victory over Japan’s Taro Daniel.
Australian Open
Dimitrov through after Carreno Busta falls ill
11/02/2021 AT 22:25
Medvedev, 22, won his first ATP Tour title earlier this year in Sydney.
Paris Masters
Nadal survives scare to reach Paris semi-finals
06/11/2020 AT 20:47
Roland-Garros men
Djokovic battles back to beat Carreno Busta and reach semi-finals
07/10/2020 AT 19:56