The sport of professional snooker has had a world ranking system in place since 1976. Certain tournaments were given "ranking" status, with the results at those events contributing to a player's world ranking. The events that made up the 1976–77 snooker season were the first to award players with ranking points. Originally, the world rankings were decided based only on results in the World Snooker Championship, but other events were later added. The system used for the 2019–20 snooker season was first used in the 2010–11 season, where players won ranking points based entirely on prize money won from these events. The rankings are based on the prior two seasons, with ten revisions after specific tournaments throughout the season. These revisions are used as official rankings, with points awarded in the current season overwriting those from two years prior.
Ronnie O'Sullivan began the season as the highest ranked player; however, Judd Trump became world number one after winning the 2019 International Championship. Trump retained the position until the end of the season, where he had a lead of over 500,000 points, despite O'Sullivan winning 500,000 points at the 2020 World Snooker Championship. During the season, Trump took a record number of ranking events, winning six.
Ranking list Revision dates Seedings for each event were based on the world rankings, with totals being updated at specific revision dates. On these dates, ranking points from the 2017–18 snooker season were removed from a player's total. +Revision datesRevision pointDateAfter2017/2018 points dropped 1 29 July 2019 Riga Masters Riga Masters 2 12 August 2019 International Championship China Championship 3 30 September 2019 China Championship Paul Hunter ClassicIndian OpenWorld Open 4 4 November 2019 World Open European MastersEnglish OpenInternational ChampionshipShanghai Masters 5 18 November 2019 Northern Ireland Open Northern Ireland Open 6 9 December 2019 UK Championship UK Championship 7 3 February 2020 German Masters Scottish OpenGerman Masters 8 2 March 2020 Players Championship World Grand PrixWelsh OpenShoot OutPlayers Championship 9 27 June 2020 Tour Championship Gibraltar OpenChina Open 10 17 August 2020 World Championship World ChampionshipSources:
Seeding lists The following table contains the rankings which were used to determine the seedings for following tournaments. Other provisional and unofficial rankings are produced after each ranking event which are not noted here. Peter Ebdon was ranked 51 before announcing his retirement during the season. Blank fields indicate that the player was not active on the tour, or had no ranking. The names are initially sorted by the scores at the end of the season.
+ Seeding listNameRevision 0Revision 1Revision 2Revision 3Revision 4Revision 5PointsPointsPointsPointsPointsPoints 2 1,166,500 2 1,166,500 1 1,334,500 1 1,347,500 1 1,324,000 1 1,394,000 1 1,196,500 1 1,196,500 2 1,178,500 2 1,178,500 3 962,000 2 988,500 4 842,500 4 841,500 4 851,000 4 846,500 4 821,000 4 817,500 6 752,225 6 756,225 6 781,225 5 807,500 6 714,500 6 724,500 7 677,000 7 677,000 7 705,000 7 674,500 7 607,500 7 612,500 8 561,225 8 559,225 8 567,725 9 498,500 9 494,500 9 502,000 5 795,500 5 795,500 5 802,000 6 753,000 5 722,000 5 738,500 14 375,000 14 375,000 14 375,000 8 505,000 8 501,000 8 511,000 16 346,000 16 321,000 15 317,500 14 316,000 14 300,500 14 305,500 3 1,028,000 3 1,016,000 3 1,002,750 3 1,059,750 2 1,016,750 3 946,750 12 394,000 12 393,000 12 399,500 12 390,500 10 421,000 11 415,000 10 403,500 10 403,500 9 418,000 18 272,750 16 279,750 16 279,750 13 390,500 13 389,500 13 394,000 13 381,000 12 365,500 12 369,500 11 398,600 11 398,600 11 403,350 11 404,250 13 360,250 13 357,750 21 236,000 18 286,000 18 287,500 15 293,000 18 254,000 20 231,500 19 282,000 19 279,000 17 288,500 16 292,500 15 290,500 15 304,500 9 409,500 9 408,500 10 406,250 10 422,250 11 419,250 10 426,750 20 242,600 20 245,600 19 267,100 19 256,100 19 253,100 18 247,100 17 308,000 17 310,000 16 291,500 17 291,500 17 274,000 17 275,500 37 157,725 35 159,725 37 157,475 41 150,225 22 226,225 21 226,725 22 228,500 22 231,500 21 241,000 21 237,750 20 235,250 19 239,250 23 223,000 24 217,000 23 221,500 26 191,500 31 164,500 33 161,000 35 161,500 34 163,500 31 172,000 29 176,750 28 176,750 26 180,750 27 186,225 27 188,225 26 197,725 25 194,750 25 199,750 25 197,250 31 169,500 32 171,500 36 158,250 33 163,750 32 163,250 30 163,750 34 163,100 30 178,100 30 178,850 28 180,850 29 172,850 28 173,350 49 124,700 45 137,700 44 139,200 37 154,600 41 136,600 42 134,100 24 222,725 23 221,725 22 226,225 22 212,225 24 204,225 23 203,600 59 100,500 57 100,500 56 105,250 52 118,250 44 130,750 44 130,750 44 136,000 43 139,000 43 139,750 45 131,500 37 145,500 37 145,000 25 203,100 25 205,100 24 209,600 23 210,100 23 207,100 24 203,725 38 156,600 39 154,600 39 150,600 35 159,000 30 165,000 32 161,500 43 139,000 44 138,000 45 130,750 44 133,250 43 130,750 43 131,250 42 146,100 42 146,100 42 146,100 42 146,250 39 139,750 38 142,750 41 148,500 41 148,500 34 162,000 36 158,000 40 137,000 40 137,500 28 178,725 28 183,725 28 184,475 32 168,500 35 154,000 36 150,500 18 295,000 21 245,000 20 242,750 20 243,250 21 231,750 22 225,750 15 350,600 15 350,600 25 209,100 27 187,500 34 157,500 31 161,500 33 163,725 36 159,725 38 156,225 38 154,225 36 149,725 35 152,725 62 93,500 60 95,500 62 88,500 61 91,250 58 97,250 54 107,250 40 151,500 40 151,500 41 147,500 31 169,500 33 161,500 34 159,000 39 155,600 37 157,600 32 162,100 40 152,850 38 140,350 39 141,850 26 190,500 26 193,500 27 193,500 24 198,250 26 192,750 29 172,750 29 176,000 29 182,000 40 150,000 43 137,500 42 134,500 41 135,000 53 113,000 53 116,000 52 120,750 48 125,500 49 119,000 46 124,000 30 173,600 31 175,600 29 184,100 30 175,250 27 179,250 27 177,250 50 120,500 51 125,500 50 126,250 49 125,250 47 125,750 45 127,250 51 120,500 52 122,500 54 115,250 54 112,250 54 105,250 55 107,250 36 159,600 38 157,600 33 162,100 39 153,100 45 129,100 48 119,100 55 110,500 55 110,500 58 103,500 59 101,250 57 97,250 56 100,250 65 77,500 65 79,500 63 79,500 62 84,250 60 92,250 60 92,250 52 115,500 54 115,500 53 120,250 51 119,000 50 116,500 50 113,000 32 169,000 33 169,000 35 161,750 34 162,250 51 110,250 53 110,250 67 61,000 68 61,000 68 61,000 68 65,750 65 75,750 65 79,750 69 54,000 69 58,000 69 58,000 70 58,000 67 73,000 66 76,000 58 100,500 56 103,500 55 108,000 57 103,750 56 100,250 57 100,250 48 125,950 50 125,950 49 126,700 46 130,975 46 125,975 47 119,975 66 63,000 66 66,000 66 70,750 64 75,500 63 83,500 64 83,500 57 100,600 61 94,600 57 104,100 58 102,250 59 92,250 58 96,250 76 31,000 76 31,000 75 39,500 75 39,500 73 51,500 74 51,500 70 51,500 70 57,500 70 57,500 69 65,000 69 70,000 68 73,000 68 60,000 67 62,000 67 62,000 66 66,750 70 69,750 69 72,750 61 94,600 58 97,600 59 102,350 60 96,500 55 101,000 59 95,000 54 111,000 47 130,000 48 127,750 47 128,250 52 108,250 51 112,250 60 99,600 59 95,600 60 100,350 56 104,500 62 84,000 61 91,500 63 89,200 63 89,200 65 71,200 67 66,600 68 71,600 67 75,600 75 32,000 75 36,000 71 49,500 71 54,250 71 54,250 71 57,250 56 106,500 62 91,500 61 92,250 63 81,250 64 82,250 63 86,250 79 21,500 80 21,500 81 21,500 78 29,000 78 34,000 78 37,000 46 130,600 48 129,600 51 125,600 50 120,600 48 120,600 49 118,100 45 131,500 46 130,500 47 128,250 55 108,250 61 91,250 62 91,250 74 35,000 73 37,000 72 41,750 73 41,750 72 52,750 72 55,750 71 40,000 72 40,000 74 40,000 72 44,750 75 44,750 75 47,750 77 29,000 77 29,000 77 29,000 77 29,000 77 40,000 76 40,000 72 38,500 71 40,500 73 40,500 74 40,500 74 48,500 73 51,500 84 15,500 84 15,500 84 15,500 84 15,500 85 15,500 88 15,500 81 18,000 81 18,000 80 22,750 81 22,750 81 22,750 82 22,750 0 127 0 127 0 127 0 105 5,000 101 8,000 0 106 2,000 109 2,000 95 6,750 102 6,750 85 16,750 73 37,000 74 37,000 76 37,000 76 37,000 76 40,000 77 40,000 64 86,500 64 88,500 64 76,500 65 74,250 66 74,750 70 64,750 0 98 2,000 92 6,750 93 6,750 93 10,750 95 10,750 0 122 0 97 4,750 99 4,750 94 9,750 98 9,750 0 107 2,000 93 6,750 94 6,750 101 6,750 104 6,750 80 21,000 79 23,000 79 23,000 80 23,000 79 33,000 79 33,000 0 124 0 124 0 100 4,750 87 13,750 89 13,750 78 26,000 78 28,000 78 28,000 79 28,000 80 28,000 80 28,000 0 120 0 121 0 123 0 125 0 121 0 87 9,725 87 9,725 87 9,725 85 14,475 82 19,475 81 23,475 0 102 2,000 105 2,000 108 2,000 100 7,000 97 10,000 0 126 0 126 0 91 7,500 98 7,500 96 10,500 0 104 2,000 107 2,000 110 2,000 115 2,000 119 2,000 88 8,600 89 8,600 89 8,600 87 13,350 90 13,350 91 13,350 86 10,500 86 10,500 86 10,500 89 10,500 89 13,500 86 16,500 82 17,500 82 17,500 82 17,500 82 17,500 83 17,500 84 17,500 92 5,500 92 5,500 95 5,500 97 5,500 96 9,500 99 9,500 89 7,725 90 7,725 90 7,725 88 12,475 86 15,475 83 18,475 83 16,500 83 16,500 83 16,500 83 16,500 84 16,500 87 16,500 85 13,600 85 13,600 85 13,600 86 13,600 88 13,600 90 13,600 0 116 0 118 0 120 0 107 5,000 110 5,000 0 97 2,000 101 2,000 104 2,000 111 2,000 106 5,000 0 109 0 111 0 113 0 99 7,500 94 11,500 0 96 2,000 91 6,750 92 6,750 92 11,750 93 11,750 91 6,500 91 6,500 94 6,500 96 6,500 95 9,500 100 9,500 0 94 4,000 99 4,000 102 4,000 110 4,000 103 7,000 0 103 2,000 106 2,000 109 2,000 114 2,000 107 5,000 0 105 2,000 108 2,000 111 2,000 116 2,000 105 5,000 0 112 0 114 0 116 0 106 5,000 109 5,000 0 101 2,000 104 2,000 107 2,000 113 2,000 118 2,000 0 121 0 122 0 124 0 97 8,000 102 8,000 0 118 0 119 0 121 0 123 0 122 0 93 4,600 93 4,600 98 4,600 101 4,600 109 4,600 114 4,600 90 7,500 88 9,500 88 9,500 90 9,500 91 12,750 92 12,500 0 119 0 120 0 122 0 124 0 115 4,000 0 99 2,000 102 2,000 105 2,000 112 2,000 108 5,000 0 117 0 96 4,750 98 4,750 108 4,750 113 4,750 0 125 0 125 0 126 0 127 0 124 0 0 113 0 115 0 117 0 120 0 116 3,000 0 100 2,000 103 2,000 106 2,000 104 5,000 112 5,000 0 114 0 116 0 118 0 121 0 126 0 0 95 2,000 100 2,000 103 2,000 103 5,000 111 5,000 0 115 0 117 0 119 0 122 0 123 0 128 0 128 0 127 0 0 110 0 112 0 114 0 118 0 117 3,000 0 123 0 123 0 125 0 126 0 125 0 0 111 0 113 0 115 0 119 0 120 0 0 108 0 110 0 112 0 117 0 128 0 47 129,000 49 128,000 46 128,750 53 115,750 53 107,750 52 110,750