[3] In the same year Antón Guijarro also won the Spanish Blitz Championship, held in Sabiote, finishing ahead of Spain's first ranking grandmaster, Francisco Vallejo Pons.

[4] In June 2016, he took part in the 29th Magistral Ciudad de León tournament with Jaime Santos Latasa, Viswanathan Anand and Wei Yi.

In October David Antón won the Magistral d'Escacs Ciutat de Barcelona round-robin tournament (ca) on tiebreak over Jan-Krzysztof Duda.

[5][6] Being the sole leader after 9 rounds, beating Veselin Topalov and Boris Gelfand,[7] the grandmaster took the second place after a three-way tiebreak against Yu Yangyi and Hikaru Nakamura at the 2017 Tradewise Gibraltar Masters open tournament.

[8] He tied 3rd to 11th place in the 2019 European Individual Championship with Kacper Piorun, Ferenc Berkes, Niclas Huschenbeth, Sergei Movsesian, Liviu-Dieter Nisipeanu, Grigoriy Oparin, Maxim Rodshtein, and Eltaj Safarli.