In London, ATP's 1500 ATP points are eight athletes Novak Djokovic, Roger Federer, Alexander Zverev, Kevin Anderson, Kei Nishikoris, Dominic Thiem, Marin Ciličius and John Isner.
We remind you that John Isner took the place as a result of Rafael Nadal's trauma. An analogous situation occurred when Juan Martin del Potro was eliminated from the tournament (replaced by Nishikoris).
The tennis players were divided into two subgroups named after two legendary tennis players – Australian Lelyton Hewitt and Brazilian Guggenheimer Kuerten.
ATP World Tour Photo / Guggen Cuerten Group
Guggen Cuerten Group:
| Player | ATP rating | Get points | Best success in London |
| Novak Djokovic | 1 | 8,045 | Winner (2008, 2012-2015) |
| Alexander Zverev | 5 | 5,085 | Group Stage (2017) |
| Marina Ciličius | 7 | 4 050 | Group Stage (2014, 2016-17) |
| John Isner | 10 | 3.155 | Debut |
ATP World Tour Photo / Group Lleyton Hewitt
Lleyton Hewitt Group:
| Player | ATP rating | Get points | Best success in London |
| Roger Federer | 2 | 6,020 | Winner (2003-04, 2006-07, 2010-11) |
| Kevin Anderson | 6 | 4,310 | Debut |
| Dominic Thames | 8 | 3,895 | Group Stage (2016-17) |
| Kei Nishikorius | 9 | 3,390 | Semi-finals (2014, 2016) |
The tournament does not see the finalists of last year's tournament – Bulgarian Grigor Dimitrov (ATP-19) and Belgian David Goffino (ATP-22).
