USA: W100 Midland - Singles - Main
1/16-finals Karatantcheva S. Frenkel N. 2:0 (6:4, 6:3) details 01.02.2017
Canada: Toronto - Singles - Main
Quarter-finals Frenkel N. Maleckova J. 0:2 (1:6, 2:6) details 04.11.2016
1/8-finals Frenkel N. Zarazua R. 2:1 (4:6, 6:4, 7:64 ) details 02.11.2016
1/16-finals Albanese L. Frenkel N. 1:2 (4:6, 6:4, 4:6) details 31.10.2016
USA: Albuquerque - Singles - Main
1/16-finals Frenkel N. Kania-Chodun P. 0:2 (1:6, 2:6) details 21.09.2016
USA: US Open - Singles - Main
1/32-finals Frenkel N. Ong V. 1:2 (3:6, 7:5, 4:6) details 05.09.2016
1/32-finals Frenkel N. Masarova R. CAN. details 05.09.2016
USA: US Open - Singles - Qualification
Quarter-finals Frenkel N. Soylu I. 0:2 (4:6, 1:6) details 24.08.2016
Mexico: Acapulco - Singles - Qualification
Semi-finals Radwanska U. Frenkel N. 2:0 (6:3, 6:2) details 21.02.2016
USA: W60 Macon GA - Singles - Main
1/8-finals Tatishvili A. Frenkel N. 2:0 (6:2, 6:3) details 29.10.2015
1/16-finals Frenkel N. Zacarias M. 2:1 (5:7, 6:3, 6:2) details 28.10.2015
USA: Lexington - Singles - Main
Quarter-finals Frenkel N. Hibino N. 0:2 (3:6, 1:6) details 31.07.2015
1/8-finals Chang S. Frenkel N. 0:2 (3:6, 1:6) details 30.07.2015
1/16-finals Cako J. Frenkel N. 1:2 (7:63 , 3:6, 4:6) details 29.07.2015
USA: Sacramento - Singles - Main
1/16-finals Frenkel N. Hibi M. 0:2 (3:6, 3:6) details 22.07.2015
USA: Charlottesville - Singles - Main
1/8-finals Frenkel N. Stewart K. 0:2 (3:6, 0:6) details 30.04.2015
1/16-finals Frenkel N. Ianchuk O. 2:0 (6:4, 6:3) details 29.04.2015
USA: Buffalo - Singles - Main
Semi-finals Black T. A. Frenkel N. 2:0 (6:2, 6:0) details 30.06.2012
Quarter-finals Kukharchuk N. Frenkel N. 0:2 (3:6, 3:6) details 29.06.2012
1/8-finals Murdock A. Frenkel N. 1:2 (6:0, 4:6, 2:6) details 28.06.2012
1/16-finals Frenkel N. Sanesi G. 2:1 (7:5, 2:6, 6:2) details 27.06.2012