ATP rankings as of 19.03.2018
| ATP RANK | NAME | Nationality | RACKET BRAND | RACKET TYPE |
| 1 | Federer Roger | Switzerland | Wilson | Pro Staff RF97 Autograph |
| 2 | Nadal Rafael | Spain | Babolat | Play AeroPro Drive |
| 3 | Cilic Marin | Croatia | Head | Graphene Prestige Rev Pro |
| 4 | Dimitrov Grigor | Bulgaria | Wilson | Pro Staff95 |
| 5 | Zverev Alexander | Germany | Head | YouTek Graphene Instinct MP |
| 6 | DelPotro Juan Martin | Argentina | WIlson | |
| 7 | Thiem Dominic | Austria | Babolat | Pure Strike |
| 8 | Anderson Kevin | South Africa | Dunlop/Srixon | Revo X2.0 Tour |
| 9 | Goffin David | Belgium | Wilson | Blade 98 |
| 10 | Pouille Lucas | France | Prince | Tour95 |
| 11 | Sock Jack | USA | Babolat | AeroPro Drive |
| 12 | Djokovic Novak | Serbia | Head | Graphene XT Speed Pro |
| 13 | Berdych Tomas | Czech Republic | Head | Graphene XT Instinct MP |
| 14 | Querrey Sam | USA | Babolat | AeroPro Drive Plus |
| 15 | Bautista Agut Roberto | Spain | Wilson | Six One 95 |
| 16 | Schwartzman Diego | Argentina | Head | |
| 17 | Isner John | USA | Prince | Warrior 100 |
| 18 | Fognini Fabio | Italy | Babolat | Pure Drive Plus |
| 19 | Carreno Busta Pablo | Spain | Wilson | Blade 98 |
| 20 | Kyrgios Nick | Australia | Yonex | EZONE DR98 |
| 21 | Wavrinka Stan | Switzerland | Yonex | VCORE Tour G 330 |
| 22 | Mannarino Adrian | France | Babolat | AeroPro Drive |
| 23 | Chung Hyeon | South Korea | Yonex | Bimimetic M3.0 |
| 24 | Ramos-Vinolas Albert | Spain | Babolat | Pure Drive Plus |
| 25 | Raonic Milos | Canada | Wilson | Blade 98 |
| 26 | Edmund Kyle | Great Britain | Wilson | |
| 27 | Krajinovic Filip | Serbia | Wilson | |
| 28 | Muller Giles | Luxemburg | Wilson | |
| 29 | Murray Andy | Great Britain | Head | Graphene Radical Pro |
| 30 | Dzumhur Damir | Bosnia | WIlson | |
| 31 | Kohlschreiber Philipp | Germany | Wilson | Pro Staff 97 |
| 32 | Lopez Feliciano | Spain | Wilson | Juice 100 |
| 33 | Nishikori Kei | Japan | Wilson | Burn 100 |
| 34 | Rublev Andrey | Russia | Wilson | |
| 35 | Ferrer David | Spain | Babolat | |
| 36 | Coric Borna | Croatia | WIlson | |
| 37 | Gasquet Richard | France | Head | Graphene XT Extreme Pro |
| 38 | Tsonga Jo-Wilfried | France | Babolat | AeroPro Drive Plus |
| 39 | Verdasco Fernando | Spain | Head | Graphene XT Speed Pro |
| 40 | Cuevas Pablo | Uruguay | Head | Graphene Prestige MP |
| 41 | Khachanov Karen | Russia | Head | |
| 42 | Monfils Gael | France | Wilson | Blade98 |
| 43 | Sugita Yuichi | Japan | Babolat | |
| 44 | Haase Robin | Netherlands | Head | Graphene Prestige MP |
| 45 | Mayer Leonardo | Argentina | Wilson | Steam96 |
| 46 | Shapovalov Denis | Canada | Yonex | |
| 47 | Paire Benoit | France | Babolat | AeroPro Drive |
| 48 | Bedene Aljaz | Great Britain | Tecnifibre | Tfight 315 |
| 49 | Donaldson Jared | USA | Head | |
| 50 | Gojowczyk Peter | Germany | Head | |
| 51 | Dolgopolov Alexandr | Ukraine | Wilson | Pro Staff 95S |
| 52 | Medvedev Daniil | Russia | Tecnifibre | |
| 53 | Harrison Ryan | USA | Babolat | Pure Aero |
| 54 | Johnson Steve | USA | Yonex | |
| 55 | Zverev Mischa | Germany | Head | |
| 56 | Struff Jan-Lennard | Germany | Babolat | |
| 57 | Lorenzi Paolo | Italy | Head | |
| 58 | Sandgren Tennys | USA | WIlson | |
| 59 | Benneteau Julien | France | Babolat | |
| 60 | Fucsovics Marton | Hungary | Yonex | |
| 61 | Pella Guido | Argentina | Wilson | Blade 98 |
| 62 | Seppi Andreas | Italy | ProKennex | Ki Qtour |
| 63 | Tiafoe Frances | USA | Yonex | |
| 64 | Vesely Jiri | Czech Republic | Dunlop/Srixon | |
| 65 | Jarry Nicolas | Chile | WIlson | |
| 66 | Zeballos Horacio | Argentina | Head | |
| 67 | Delbonis Federico | Argentina | Babolat | |
| 68 | Troicki Viktor | Serbia | Babolat | AeroPro Drive Plus |
| 69 | Garcia-Lopez Guillermo | Spain | Head | YouTek IG Prestige Pro |
| 70 | Tsitsipas Stefanos | Greece | WIlson | |
| 71 | Fritz Taylor Harry | USA | Head | |
| 72 | Simon Gilles | France | Head | YouTek IG Prestige MP |
| 73 | Marterer Maximillian | Germany | Babolat | |
| 74 | Mayer Florian | Germany | Head | Graphene Prestige MidPlus |
| 75 | Basic Mirza | Bosnia | WIlson | |
| 76 | Ebden Matthew | Australia | Head | |
| 77 | Pospisil Vasek | Canada | Wilson | Burn100 |
| 78 | Carballes Baena Roberto | Spain | WIlson | |
| 79 | Karlovic Ivo | Croatia | Head | Graphene Radical Pro |
| 80 | Sousa Joao | Portugal | Wilson | Juice100 BLX |
| 81 | Herbert Pierre-Hugues | France | Yonex | |
| 82 | Baghdatis Marcos | Cyprus | Pacific | BX2 Fast Pro 100 |
| 83 | Kukushkin Mikhail | Kazachstan | Head | Graphene Speed MP |
| 84 | Copil Marius | Romania | Tecnifibre | |
| 85 | Istomin Denis | Uzbekistan | Tecnifibre | Tfight 325 |
| 86 | Fabbiano Thomas | Italy | WIlson | |
| 87 | Kicker Nicolas | Argentina | Head | |
| 88 | Donskoy Evgeny | Russia | Babolat | |
| 89 | Basilashvili Nikoloz | Georgia | Head | |
| 90 | Chardy Jeremy | France | Tecnifibre | |
| 91 | Lu Yen-Hsun | Chinese Taipei | Head | YouTek IG Extreme Pro |
| 92 | Sela Dudi | Israel | Head | |
| 93 | Albot Radu | Romania | Yonex | |
| 94 | Djere Laslo | Serbia | WIlson | |
| 95 | Berrettini Matteo | Italy | Head | |
| 96 | Millman John | Australia | Tecnifibre | T-Fight320 |
| 97 | Cecchinato Marco | Italy | Babolat | |
| 98 | Jaziri Malek | Tunisia | Prince | |
| 99 | Thompson Jordan | Australia | Babolat | |
| 100 | Stebe Cedrik-Marcel | Germany | Head |