• Usia - 34.

Alex Blumenberg pertandingan terakhir

• Johannes Haerteis - Alex Blumenberg | 05 Mar 2020 | 2:0 M25 Las Vegas
• Errol Smith - Alex Blumenberg | 04 Mar 2020 | 1:2 M25 Las Vegas
• Nicolas Alvarez - Alex Blumenberg | 13 Nov 2019 | 2:0 ITF Orlando 2 Men
• Bastian Malla - Alex Blumenberg | 17 Apr 2019 | 2:0 ITF Orange Park Men
• Alex Blumenberg - Emilio Nava | 13 Mar 2019 | 0:2 Arcadia
• Ryan Shane - Alex Blumenberg | 08 Agu 2018 | 2:0 ITF Edwardsville Men
• Thales Turini - Alex Blumenberg | 03 Mei 2017 | 2:1 ITF Tampa Men
• Michael Linzer - Alex Blumenberg | 23 Feb 2017 | 2:0 ITF Indian Harbour Beach Men
• Sebastian Fanselow - Alex Blumenberg | 22 Sep 2016 | 1:0 ITF Irvine Men
• Alex Blumenberg - Alexei Popyrin | 21 Sep 2016 | 2:1 ITF Irvine Men