The 2018 Angelique Kerber tennis season officially began on 30 December 2017 with the start of the 2018 Hopman Cup. Angelique Kerber entered the season as the No. 21 ranked player in the world.
Kerber began her season at the Hopman Cup paired with Alexander Zverev. At the group stage she defeated Elise Mertens, Genie Bouchard and Daria Gavrilova all in straight sets, helping Germany to reach the final at this tournament. At the final stage she defeated Belinda Bencic, but they lost at the doubles match in straight sets.
Next tournament was the Sydney Open. She defeated Lucie à  afáà Âová, despite being two match points in the second set, the no. 2 seed Venus Williams, Dominika Cibulková, qualifier Camila Giorgi and Daria Gavrilova. In the final match she faced Ashleigh Barty and went to win the title, defeating her 6âÂÂ4, 6âÂÂ4, claiming her first title since 2016 US Open.
Her next tournament was the Australian Open. She was 21st seed. She defeated Anna-Lena Friedsam in straight sets. She then beat Donna Vekic, the former Australian Open champion and the world no.1 Maria Sharapova in straight sets. She went on to defeat Hsieh Su-Wei in the 4th round in three sets and former world No. 7 Madison Keys in the quarter-finals, in straight sets. She faced the world No. 1 Simona Halep in the semi-finals. In the 3rd set she saved 3 match points. However, she felt down at the 9âÂÂ7. After Australian Open, she returned to top ten.
Kerber then played the Qatar Open, where she received a bye in the opening round. At the second and third round she defeated Samantha Stosur and Johanna Konta respectively. In quarterfinals, she faced the no. 1 seed Caroline Wozniacki, whom she lost in three sets.
Kerber's 2018 singles tournament schedule is as follows: