Goffin began his season at the Qatar Open where in singles he was upset by Ričardas Berankis in the first round.
In the doubles with Pierre-Hugues Herbert he claimed his first ATP doubles title.
He reached the third round of the Australian Open, where he lost to Daniil Medvedev.
After early losses at Lyon and Rotterdam, he made the semifinals in Marseille, where he lost to top seed Stefanos Tsitsipas.
In the clay season, he reached one semifinal, at the Estoril Open, again being defeated by Tsitsipas.
At the French Open, he was defeated in the third round by Rafael Nadal.

Goffin had a productive grass season, reaching the quarterfinals at 's-Hertogenbosch and reaching the final of the ATP 500 event in Halle.
Despite being unseeded, Goffin defeated eighth seed Guido Pella and second seed Alexander Zverev en route to the final, where he was defeated by top seed and nine-time champion Roger Federer.
At Wimbledon, Goffin was seeded 21st, defeating Bradley Klahn, Jérémy Chardy, 11th seed Daniil Medvedev, and Fernando Verdasco to reach his first quarterfinal at the tournament.
There, he was defeated by top seed and defending champion Novak Djokovic.

In the North American hard court season, Goffin suffered early defeats in Washington and Montreal.
Defending a semifinal appearance at the Cincinnati Masters, Goffin was the 16th seed.
He defeated Taylor Fritz, Guido Pella, Adrian Mannarino before receiving a walkover over Yoshihito Nishioka in the quarterfinals.
He defeated Richard Gasquet in straight sets in the semifinals to reach his first Masters 1000 final.
There, he was defeated by ninth seed Daniil Medvedev.
Goffin began his season at the Qatar Open where in singles he was upset by Ričardas Berankis in the first round. In the doubles with Pierre-Hugues Herbert he claimed his first ATP doubles title. He reached the third round of the Australian Open, where he lost to Daniil Medvedev. After early losses at Lyon and Rotterdam, he made the semifinals in Marseille, where he lost to top seed Stefanos Tsitsipas. In the clay season, he reached one semifinal, at the Estoril Open, again being defeated by Tsitsipas. At the French Open, he was defeated in the third round by Rafael Nadal.
Goffin had a productive grass season, reaching the quarterfinals at 's-Hertogenbosch and reaching the final of the ATP 500 event in Halle. Despite being unseeded, Goffin defeated eighth seed Guido Pella and second seed Alexander Zverev en route to the final, where he was defeated by top seed and nine-time champion Roger Federer. At Wimbledon, Goffin was seeded 21st, defeating Bradley Klahn, Jérémy Chardy, 11th seed Daniil Medvedev, and Fernando Verdasco to reach his first quarterfinal at the tournament. There, he was defeated by top seed and defending champion Novak Djokovic.
In the North American hard court season, Goffin suffered early defeats in Washington and Montreal. Defending a semifinal appearance at the Cincinnati Masters, Goffin was the 16th seed. He defeated Taylor Fritz, Guido Pella, Adrian Mannarino before receiving a walkover over Yoshihito Nishioka in the quarterfinals. He defeated Richard Gasquet in straight sets in the semifinals to reach his first Masters 1000 final. There, he was defeated by ninth seed Daniil Medvedev.
David Goffin