This combination of photos taken on September 8, 2017 shows South Africa's Kevin Anderson (L) and Spain's Rafael Nadal (R) playing during their 2017 US Open Men's Singles Semifinals matches at the USTA Billie Jean King National Tennis Center in New York. World number one Rafael Nadal powered into his 23rd career Grand Slam final on Friday, routing Argentina's 24th-seeded Juan Martin del Potro 4-6, 6-0, 6-3, 6-2 at the US Open. / AFP PHOTO / Jewel SAMAD AND Don EMMERT