Serena Williams had to deal with several unsavory incidents, especially during the early years of her career, which included the infamous racist taunts at the 2001 Indian Wells Open as well as bizarre line calls during the quarterfinals of the 2004 US Open.A series of crucial points that went against the third seed in New York contributed to a 2-6, 6-4, 6-4 defeat against Jennifer Capriati even as Williams confronted the chair umpire, who remained unmoved despite replays confirming the erroneousness of her line calls.The advent of Twitter in 2006 allowed millions around the world to collectively share and debate on-court events, prompting one fan to question whether the 2004 US Open could indeed have been canceled had it been played during an era when the microblogging platform existed.Chris Ford 🌞@CT_FordThe 2004 US Open would have been canceled after these line calls if we had had Twitter back then! https://t.co/N2J1Sc0LV4 twitter.com/_eric_robinson…Eric Robinson@_Eric_RobinsonWhat sports moments that occurred pre-Twitter (July 2006) would cause chaos on the app if it existed at that time?853252What sports moments that occurred pre-Twitter (July 2006) would cause chaos on the app if it existed at that time?The 2004 US Open would have been canceled after these line calls if we had had Twitter back then! https://t.co/N2J1Sc0LV4 twitter.com/_eric_robinson…"The 2004 US Open would have been cancelled after these line calls if we had had Twitter back then"One tennis fan was of the opinion that contentious matches such as the 2004 US Open quarterfinals robbed Williams of the opportunity to add to her Grand Slam tally, which is currently the highest of any player, male or female, in the Open Era.Natural_Mystic@n_abigail@CT_Ford Only Hawkeye or the challenge system could have changed this. Another example of why she always felt an extra burden on her shoulders when playing the US Open. Her record should be 23+ titles for matches like these where she was robbed. She had a winning H2H against the finalists393@CT_Ford Only Hawkeye or the challenge system could have changed this. Another example of why she always felt an extra burden on her shoulders when playing the US Open. Her record should be 23+ titles for matches like these where she was robbed. She had a winning H2H against the finalists"Only Hawkeye or the challenge system could have changed this. Another example of why she always felt an extra burden on her shoulders when playing the US Open. Her record should be 23+ titles for matches like these where she was robbed. She had a winning H2H against the finalists"Fans remain convinced that the umpiring was carried out in a manner to ensure that Serena Williams lost.Jeniffer L. Estrada@Jeniestra@CT_Ford Then some people ask why there was always something going on with Serena at the US Open. Well, this, the trauma.6@CT_Ford Then some people ask why there was always something going on with Serena at the US Open. Well, this, the trauma.Bianca🦋@bianca_peterkin@CT_Ford I physically can’t watch this video no they really wanted to take Serena down that day302@CT_Ford I physically can’t watch this video😭 no they really wanted to take Serena down that dayIt was during the all-important decider that a flurry of howlers from chair umpire Mariana Alves led to the American star getting flustered. Hawkeye was soon introduced by the ITF (International Tennis Federation) as a result of everything that went wrong, as many on social media recalled.Here are a few more fan reactions:Diano Eko@tennis_updatesThat match that gave us hawk-eye. US Open 2004 Quarter FINAL - Jennifer Capriati vs Serena Williams FULL M... youtu.be/9uBKbJXoYQ42That match that gave us hawk-eye. US Open 2004 Quarter FINAL - Jennifer Capriati vs Serena Williams FULL M... youtu.be/9uBKbJXoYQ4Melanated Racket@MelanatedRacket@CT_Ford I'll never forgive Mariana for this.131@CT_Ford I'll never forgive Mariana for this.Kaci Langums@Pumpcann@CT_Ford Why wouldn’t Jennifer be a good sportsman and concede the point, shows exactly her character! I know everyone loves to vilify Serena, but one thing she NEVER did was take a point she didn’t win!@CT_Ford Why wouldn’t Jennifer be a good sportsman and concede the point, shows exactly her character! I know everyone loves to vilify Serena, but one thing she NEVER did was take a point she didn’t win!Sally Smith@bizwhizyay@CT_Ford @Pussypoppingfan Outrageous and systematic. White tennis could not handle the Williams' sisters. Took a long time.81@CT_Ford @Pussypoppingfan Outrageous and systematic. White tennis could not handle the Williams' sisters. Took a long time.Elle@dgorgan@CT_Ford This is just … we as a ppl need strategies to deal with this because this is literally heartbreaking. I can feel my blood pressure right now.2@CT_Ford This is just … we as a ppl need strategies to deal with this because this is literally heartbreaking. I can feel my blood pressure right now.The absence of Twitter prevented a possible mass uproar that could have made life difficult for the tournament organizers, who, to their credit, did ensure that the umpire who officiated the stormy encounter played no further part in the tournament.The fierce Serena Williams-Jennifer Capriati rivalryWilliams and Capriati alongside Victoria AzarenkaSerena Williams and Jennifer Capriati played against each other 17 times between 1999 and 2004. Interestingly, both the Americans were coached by Rick Macci during the early stages of their careers.After winning the first-ever encounter against Capriati at the 1999 German Open in Berlin, Williams slumped to four successive defeats against her senior counterpart before proceeding to turn the tables by registering eight wins on the trot between 2001 and 2003.Tennis Historian@HistorianTennis2001 Toronto Final:(4)Serena Williams def. (1)Jennifer Capriati 6-1, 6-7(7), 6-3Serena ended a 4-match losing streak to Capriati and got her 2nd win in 6 matches. She would win the next 7 matches in their rivalry.This was Serena's 2nd title of 2001 & the 10th of her career.192312001 Toronto Final:(4)Serena Williams def. (1)Jennifer Capriati 6-1, 6-7(7), 6-3Serena ended a 4-match losing streak to Capriati and got her 2nd win in 6 matches. She would win the next 7 matches in their rivalry.This was Serena's 2nd title of 2001 & the 10th of her career. https://t.co/qwhVmJPoddAn unforgettable contest between the two phenomenal talents was witnessed at Roland Garros during the 2002 French Open semifinals, where Capriati, the defending champion, lost 3-6, 7-6(2), 6-2 after a grueling battle.Jennifer Capriati, who became a top 10 player at the age of 14, ended her career having won a total of three Grand Slam titles while also managing to get the better of Serena Williams on seven occasions (10 losses).