Now that all Round 1 matches have been completed, I've updated my ELO ratings for Round 2 (a bit late, sorry!)
Men's
| # | Name | ELO |
| 1 | Novak Djokovic | 2040 |
| 2 | Andy Murray | 1906 |
| 3 | Roger Federer | 1841 |
| 4 | Kei Nishikori | 1801 |
| 5 | Dominic Thiem | 1781 |
| 6 | Milos Raonic | 1779 |
| 7 | Stan Wawrinka | 1770 |
| 8 | Tomas Berdych | 1740 |
| 9 | Richard Gasquet | 1725 |
| 10 | Roberto Bautista Agut | 1702 |
| 11 | David Goffin | 1699 |
| 12 | Nick Kyrgios | 1699 |
| 13 | Jo-Wilfried Tsonga | 1690 |
| 14 | David Ferrer | 1678 |
| 15 | Marin Cilic | 1667 |
| 16 | Alexander Zverev | 1649 |
| 17 | Jack Sock | 1641 |
| 18 | John Isner | 1637 |
| 19 | Gilles Simon | 1618 |
| 20 | Gilles Muller | 1614 |
| 21 | Bernard Tomic | 1597 |
| 22 | Steve Johnson | 1590 |
| 23 | Grigor Dimitrov | 1586 |
| 24 | Andrey Kuznetsov | 1585 |
| 25 | Alexandr Dolgopolov | 1583 |
| 26 | Juan Monaco | 1578 |
| 27 | Victor Troicki | 1577 |
| 28 | Feliciano Lopez | 1569 |
| 29 | Lucas Pouille | 1569 |
| 30 | Jeremy Chardy | 1565 |
| 31 | Nicolas Almagro | 1564 |
| 32 | Sam Querrey | 1564 |
| 33 | Juan Martin del Potro | 1563 |
| 34 | Benoit Paire | 1559 |
| 35 | Fabio Fognini | 1555 |
| 36 | Albert Ramos-Vinolas | 1553 |
| 37 | Andreas Seppi | 1553 |
| 38 | Adrian Mannarino | 1551 |
| 39 | Ivo Karlovic | 1548 |
| 40 | Joao Sousa | 1545 |
| 41 | Nicolas Mahut | 1540 |
| 42 | Marcel Granollers | 1528 |
| 43 | Damir Dzumhur | 1520 |
| 44 | Jiri Vesely | 1516 |
| 45 | Pierre-Hugues Herbert | 1514 |
| 46 | Dustin Brown | 1510 |
| 47 | John Millman | 1500 |
| 48 | Donald Young | 1498 |
| 49 | Thomaz Bellucci | 1496 |
| 50 | Yen-Hsun Lu | 1487 |
| 51 | Robin Haase | 1481 |
| 52 | Sergiy Stakhovsky | 1481 |
| 53 | Mikhail Kukushkin | 1480 |
| 54 | Edouard Roger-Vasselin | 1469 |
| 55 | Radu Albot | 1456 |
| 56 | Benjamin Becker | 1453 |
| 57 | Mikhail Youzhny | 1450 |
| 58 | Denis Istomin | 1444 |
| 59 | Julien Bennetau | 1405 |
| 60 | Lukas Lacko | 1402 |
Women's
| # | Name | ELO |
| 1 | Serena Williams | 1852 |
| 2 | Agnieszka Radwanska | 1734 |
| 3 | Angelique Kerber | 1716 |
| 4 | Garbine Muguruza | 1704 |
| 5 | Simona Halep | 1702 |
| 6 | Dominika Cibulkova | 1698 |
| 7 | Madison Keys | 1697 |
| 8 | Timea Bacsinszky | 1694 |
| 9 | Svetlana Kuznetsova | 1661 |
| 10 | Venus Williams | 1660 |
| 11 | Carla Suarez Navarro | 1660 |
| 12 | Sloane Stephens | 1660 |
| 13 | Karolina Pliskova | 1658 |
| 14 | Samantha Stosur | 1652 |
| 15 | Barbora Strycova | 1652 |
| 16 | Petra Kvitova | 1634 |
| 17 | Caroline Garcia | 1625 |
| 18 | Coco Vandeweghe | 1616 |
| 19 | Elina Svitolina | 1615 |
| 20 | Ekaterina Makarova | 1613 |
| 21 | Belinda Bencic | 1613 |
| 22 | Daria Kasatkina | 1604 |
| 23 | Johanna Konta | 1602 |
| 24 | Eugenie Bouchard | 1592 |
| 25 | Elena Vesnina | 1587 |
| 26 | Kiki Bertens | 1586 |
| 27 | Jelena Jankovic | 1585 |
| 28 | Lucie Safarova | 1581 |
| 29 | Roberta Vinci | 1572 |
| 30 | Daria Gavrilova | 1569 |
| 31 | Anastasia Pavlyuchenkova | 1569 |
| 32 | Sara Errani | 1560 |
| 33 | Andrea Petkovic | 1555 |
| 34 | Timea Babos | 1553 |
| 35 | Yulia Putintseva | 1545 |
| 36 | Anna-Lena Friedsam | 1535 |
| 37 | Christina McHale | 1534 |
| 38 | Monica Niculescu | 1525 |
| 39 | Kirsten Flipkens | 1525 |
| 40 | Denisa Allertova | 1523 |
| 41 | Annika Beck | 1523 |
| 42 | Sabine Lisicki | 1522 |
| 43 | Alize Cornet | 1515 |
| 44 | Misaki Doi | 1513 |
| 45 | Ana Konjuh | 1512 |
| 46 | Mona Barthel | 1508 |
| 47 | Varvara Lepchenko | 1507 |
| 48 | Maria Sakkari | 1497 |
| 49 | Marina Erakovic | 1491 |
| 50 | Evgeniya Rodina | 1491 |
| 51 | Samantha Crawford | 1488 |
| 52 | Duan Yingying | 1484 |
| 53 | Lara Arruabarrena | 1482 |
| 54 | Kurumi Nara | 1482 |
| 55 | Aliaksandra Sasnovich | 1477 |
| 56 | Yaroslava Shvedova | 1474 |
| 57 | Mandy Minella | 1466 |
| 58 | Francesca Schiavone | 1461 |
| 59 | Jana Cepelova | 1448 |
| 60 | Katerina Siniakova | 1437 |
| 61 | Carina Witthoft | 1431 |
