Even though I don’t rate any of these players very highly it does seem that they will be the next crop of grand slam champions at some stage soon
I just wish they would all collectively step it up and push out the current old gen. If that happened I would be much more on board
Don't think its happening in slams just yet for most of them, but in best of three they should deliver some more scalps all too soon. The NextGen Diamond Age stars versus Big 3 in 2018 we have versus Djoko a record of 4-5:
3 / 2018 Australian Open
R16 Hard Hyeon Chung Novak Djokovic 7-6(4) 7-5 7-6(3) H2H 1.30 - 3.40
15 / 2018 Monte Carlo Masters
R16 Clay Dominic Thiem Novak Djokovic 6-7(2) 6-2 6-3 H2H 2.20 - 1.66
R32 Clay Novak Djokovic Borna Coric 7-6(2) 7-5 H2H 1.33 - 3.25
18 / 2018 Madrid Masters
R32 Clay Kyle Edmund Novak Djokovic 6-3 2-6 6-3 H2H 3.50 - 1.30
27 / 2018 Wimbledon
R16 Grass Novak Djokovic Karen Khachanov 6-4 6-2 6-2 H2H
R32 Grass Novak Djokovic Kyle Edmund 4-6 6-3 6-2 6-4 H2H
32 / 2018 Canadian Masters
R16 Hard Stefanos Tsitsipas Novak Djokovic 6-3 6-7(5) 6-3 H2H 3.75 - 1.25
40 / 2018 Shanghai Masters
F Hard Novak Djokovic Borna Coric 6-3 6-4 H2H 1.17 - 5.45
SF Hard Novak Djokovic Alexander Zverev 6-2 6-1 H2H 1.34 - 3.35
versus Federe (2-4):
3 / 2018 Australian Open
SF Hard Roger Federer Hyeon Chung 6-1 5-2 H2H 1.17 - 5.00 (Chung retirement due to blisters coming into the match)
10 / 2018 Indian Wells Masters
SF Hard Roger Federer Borna Coric 5-7 6-4 6-4 H2H 1.11 - 7.00
QF Hard Roger Federer Hyeon Chung 7-5 6-1 H2H 1.20 - 4.35
25 / 2018 Halle
F Grass Borna Coric Roger Federer 7-6(6) 3-6 6-2 H2H 6.00 - 1.14
40 / 2018 Shanghai Masters
SF Hard Borna Coric Roger Federer 6-4 6-4 H2H
R32 Hard Roger Federer Daniil Medvedev 6-4 4-6 6-4 H2H 1.22 - 4.00
vs Nadal (1-10)

:
15 / 2018 Monte Carlo Masters
QF Clay Rafael Nadal Dominic Thiem 6-0 6-2 H2H 1.18 - 4.75
R16 Clay Rafael Nadal Karen Khachanov 6-3 6-2 H2H 1.06 - 10.00
17 / 2018 Barcelona
F Clay Rafael Nadal Stefanos Tsitsipas 6-2 6-1 H2H
18 / 2018 Madrid Masters
QF Clay Dominic Thiem Rafael Nadal 7-5 6-3 H2H 9.00 - 1.06
19 / 2018 Rome Masters
F Clay Rafael Nadal Alexander Zverev 6-1 1-6 6-3 H2H 1.20 - 4.75
R16 Clay Rafael Nadal Denis Shapovalov 6-4 6-1 H2H 1.03 - 12.00
27 / 2018 Wimbledon
R32 Grass Rafael Nadal Alex DE Minaur 6-1 6-2 6-4
32 / 2018 Canadian Masters
F Hard Rafael Nadal Stefanos Tsitsipas 6-2 7-6(4) H2H 1.20 - 4.50
SF Hard Rafael Nadal Karen Khachanov 7-6(3) 6-4 H2H 1.20 - 4.80
35 / 2018 US Open
QF Hard Rafael Nadal Dominic Thiem 0-6 6-4 7-5 6-7(4) 7-6(5) H2H 1.22 - 4.30
R32 Hard Rafael Nadal Karen Khachanov 5-7 7-5 7-6(7) 7-6(3) H2H 1.10 - 7.50