• Usia - 26.

Lukas Greif pertandingan terakhir

• Lukas Greif - Austin Rapp | 20 Sep 2019 | 0:2 ITF Houston Men
• Harrison Adams - Lukas Greif | 19 Sep 2019 | 0:2 ITF Houston Men
• Lukas Greif - Edoardo Graziani | 18 Sep 2019 | 2:0 ITF Houston Men
• Lukas Greif - Alexander Ward | 21 Nov 2017 | 0:2 Columbus
• Ezekiel Clark - Lukas Greif | 26 Jul 2017 | 2:1 ITF Champaign 2 Men
• Lukas Greif - Ryan Shane | 25 Jul 2017 | 2:0 ITF Champaign 2 Men