Halep didn't play at her best, especially when facing a firing teenager who combined her drop shot and backhand so perfectly throughout the match.
Earlier, Schwartzman knocked out third seed Dominic Thiem in a thrilling marathon battle which lasted over five hours, winning 7-6 (7-1), 5-7, 6-7 (8-6), 7-6 (7-5), 6-2.
Also missing were injured Galatasaray goalkeeper Fernando Muslera and Atletico Madrid defender Jose Gimenez, who contracted the coronavirus.
The "BVB" controlled possession and should have added another goal to its lead before the break but Freiburg's goalkeeper Florian Muller was on guard to defuse the efforts from Thomas Meunier and Mats Hummels in the closing period of the first half.
Real Sociedad had a comfortable 3-0 win at home to Getafe to end a run of poor results at home since the return of football in June and to momentarily go top of the table, although that lead didn't last for long.
Can Bozdogan (below) of Schalke 04 scores an own goal during a German Bundesliga match between RB Leipzig and FC Schalke 04 in Leipzig, Germany, Oct. 3, 2020. (Photo by Kevin Voigt/Xinhua)
The appointment of Waldrum by the Nigeria Football Federation (NFF) came a year after Swede Thomas Dennerby resigned from the job in October 2019.
"We are in a very strange situation, after a lot of months without much tennis, especially for me, that I didn't play in America, I don't know if it's a positive thing or a negative thing," Nadal said when asked how important it was to keep the early-round matches short and sweet.
JIANGMEN, China, Oct. 2 (Xinhua) -- Tianjin claimed its sixth national title by defeating Shandong 3-1 (25-21, 16-25, 25-11, 25-12) in the final of the Chinese Women's Volleyball Championship here on Friday.
Roma had a shaky start to the new season, managing only one draw and one defeat after two rounds.
"But I told my players it is the utmost honor to play for the national team," he added.