Ivashka reached his first quarterfinal for 2021 at the 2021 Andalucia Open where he defeated two Spaniards en route Pedro Martinez (tennis) and Alejandro Davidovich Fokina before falling to the eventual finalist third Spaniard Jaume Munar. He reached his second semifinal in his career at the 2021 BMW Open in Munich as a qualifier, more than three years after his run to the final four at the 2018 Open 13 in Marseille, in a stunning defeat against the top seed two-time champion and World No. 6 Alexander Zverev for the biggest win of his career.[4][5]