Thompson, ranked 84, was more aggressive in a tighter second set and went 6-5 up with a service hold before breaking a tiring Griekspoor in the next game to drag himself into the contest.
Praggnanandhaa went down 1.5-2.5 to Shakhriyar Mamedyarov of Azerbaijan, Erigasi lost to Poland's Jan-Krzysztof Duda 0.5-2.5.
Sikandar Raza smashed the fastest ODI hundred by a Zimbabwean as his team pulled off a second big chase in succession for a six-wicket win over the Netherlands in the ICC ODI World Cup Qualifier.
Hamza Choudhury showed solidarity with Palestinians after his club Leicester City won the FA Cup.
Rameshbabu Praggnanandhaa has 4 points and is sixth, while Arjun Erigaisi (3 points) is seventh.
India's Rohan Bopanna and Sania Mirza notched up contrasting wins along with their respective partners in the men's and women's doubles competitions at the French Open in Paris on Thursday.
Anand scored six wins and two draws to seal the Rapid title in Poland, Warsaw.
West Indies, Zimbabwe and Sri Lanka will enter the ICC Men's Cricket World Cup 2023 Qualifier high on confidence
In the blitz event played prior to the Classical, Anand had shocked world champion Carlsen in round seven on the way to a fourth-place finish.
Arjun Erigaisi scored a fine win over speed game specialist Quang Liem Le but his compatriot Rameshbabu Praggnanandhaa was outplayed by World No 1 Magnus Carlsen in the penultimate round of the Meltwater Champions Tour Finals.
Anand and Radjabov drew their Classical match in 42 moves in a Guicco Pianissimo game.
Arsenal survived a massive scare as they registered a thrilling Premier League win over Bournemouth to remain on top of the table.
Teenaged Grandmaster D Gukesh shocked world number 5 Fabiano Caruana as India 'B' pulled off a superb 3-1 win over number 2 seeds USA in the eighth round of the Open section of the 44th Chess Olympiad in Mamallapuram, Chennai on Saturday.
India's legend Viswanathan Anand continued his winning run in the Classical section of the Norway Chess tournament in Stavanger as he defeated China's Wang Hao in the third round to remain on top of the standings.
Mitchell Starc and Adam Zampa collected three wickets apiece in Australia's eight-wicket demolition of Zimbabwe on Wednesday, giving the home side an unassailable 2-0 series lead from the second One-Day International at Riverway Stadium in Townsville.
India's chess ace Viswanathan Anand defeated world champion Magnus Carlsen in round seven of the blitz event of the Norway Chess on the way to a fourth-place finish.
Playing as a wildcard in the tournament, the Indian ace had on Thursday defeated Radoslaw Wojtaszek of Poland in the first round, before getting the better of American Wesley So and Anton Korobov (Ukraine).
Viswanathan Anand drew his sixth round contest against Anish Giri of the Netherlands in the Classical section to slip to second place in the Norway Chess tournament in Stavanger.
India's chess ace Viswanathan Anand returned to winning ways, upstaging World No 1 Magnus Carlsen in the fifth round of the Classical section early on Monday in the Norway Chess tournament.
Indian Grandmaster Viswanathan Anand posted his second win on the trot, defeating Bulgarian Veselin Topalov in the Classical section to take the lead at the Norway Chess tournament.
A day after taking down world number one Carlos Alcaraz of Spain, Felix Auger-Aliassime booked Canada's place in the Davis Cup quarter-finals on Saturday with a 6-3, 6-4 win against Serbia's Miomir Kecmanovic in the group stage tie in Valencia.
Former World champion Viswanathan Anand defeated Aryan Tari in the ninth and final round to finish third in the Norway Chess tournament, which was won by world number one Magnus Carlsen.
Anand showed impressive form with a victory over Carlsen to lead the standings after the fifth round but was outgunned by Mamedyarov
Anand did not quite re-work his energy and lost to Carlsen in the first game of the third day and then made a draw with compatriot Vidit Gujrathi.
A maiden five-wicket haul by seamer Cameron Green on Sunday set Australia up for a five-wicket victory in the first one-day international against Zimbabwe in Townsville, which is hosting the first series between the sides Down Under since 2004.
A tap-in by Karim Benzema and a powerful strike by substitute Marco Asensio earned European champions Real Madrid a 2-0 win over 10-man Chelsea.
Duda scored a dramatic win from a losing position against Kirill Shevchenko to take the top prize.
Netherlands saw off a spirited effort from USA to seal a seven-wicket victory in their semi-final after restricting USA to 138 in 19.4 overs even as Zimbabwe held of a valiant PNG by 27 runs.
Left-arm wrist-spinner Tabraiz Shamsi (716) is next in Rashid's sights, though Josh Hazlewood (792) boasts a strong margin at the top of the list.
Carlsen continued his dominating run as he took his lead to an almost unassailable five points.
A title match requires months of preparation and pulling out of other events, putting together a team of seconds, etc. Carlsen just says he lacks the motivation to do this again.
India's Rohan Bopanna and Wesley Koolhof of the Netherlands progressed to the men's doubles final at the US $1,465,260 Qatar Open after a straight-games' win over second seeds Henri Kontinen and Franko Skugor, in Doha, on Friday. The Indo-Dutch combination will meet the unseeded British-Mexican duo of Luke Bambridge and Santiago Gonzalez in the summit clash on Saturday.
Chelsea reached the Champions League quarter-finals as a first-half goal from Raheem Sterling and a controversial penalty by Kai Havertz overturned a first-leg deficit.
Viswanathan Anand's hunt for an elusive win continued as he was held to yet another draw by Shakhriyar Mamedyarov of Azerbaijan in the sixth round of the Altibox Norway Chess tournament, Stavanger, Norway.
Images from Tuesday's action in the Premier League
Chasing a target of 135 runs, Haider Ali's 65* off 43 including three sixes and skipper Azam's 51 from 28 balls put their side over the line with 29 balls to spare.
Sikandar Raza powered Zimbabwe to a 31-run win over Ireland
Former women's World champion Susan Polgar feels that the rising strength of Indian players makes them favourites to grab three out of the six medals at stake.
India 'B' defeated Germany 3-1 in their final round match to end at third position.