Novak Djokovic suffered a shock second-round defeat to Jan-Lennard Struff at the Swiss Indoors, hurting his hopes for the ATP Finals. "It hurts that I lost, you know, he just played amazing tennis," Djokovic said. He now needs a deep run at the Paris Masters to reach the tournament.

A shock second-round defeat at the Swiss Indoors has dented Djokovic's hopes, and he now needs a deep run at the Paris Masters to reach a record-breaking 19th ATP Finals

When Novak Djokovic stepped out at the Swiss Indoors, he had a shot at history. Playing Roger Federer's hometown tournament for the first time since 2011, he would have equalled the Swiss icon's 103 career titles had he gone all the way. Fate had other plans, however.

Djokovic suffered a shock defeat to 47th-ranked Jan-Lennard Struff in the Round of 16. The 6-7 (4), 7-5, 7-6 (5) loss was his first against the 36-year-old in nine meetings.

"It hurts that I lost, you know, he just played amazing tennis," Djokovic said after the match. "Maybe there were one or two points where I could have been more aggressive, but all credit goes to him. I don't remember playing against someone who was this aggressive and this precise. He went with two first serves, and it was just one of those matches."

ATP Finals scenarios

The early exit has made a big dent on the Serbian's hopes of reaching a record-breaking 19th ATP Finals. Djokovic is currently placed 11th in the Live Race to Turin.

The top seven players qualify for the year-end championships by default, and the eighth spot goes to either a current-year Grand Slam champion positioned between eighth and 20th in the Race, or to the player at eighth in the Race. As there are no Slam champs placed between eighth and 20th this year (Alexander Zverev, Jannik Sinner and Carlos Alcaraz were the winners at the four Majors), the eighth spot is up for grabs.

Sinner, placed second, will miss the rest of the season due to a persistent right knee injury. That means the player ranked ninth in the Race will advance for the ATP Finals, which are scheduled for November 15 to 22. As of now, that ninth spot is occupied by 20-year-old Spaniard Rafael Jodar (3,209 points), who is 319 live points ahead of Djokovic (2,890 points).

Zverev, Alcaraz, Ben Shelton and Daniil Medvedev have already sealed their berths, which means four more places remain. Flavio Cobolli (3,690 points), Arthur Fils (3,525 points), Frances Tiafoe (3,380 points) and Jodar are in line for those places by ranking. Alex de Minaur (3,080 points) is next at 10th, and Taylor Fritz (2,885 points) is close on Djokovic's heels at 12th.

Paris Masters is the 39-year-old Serb's last resort to advance. A title at the year's final ATP Masters 1000 tournament would take Djokovic to 3,890 points and put him beyond Jodar, but not necessarily De Minaur. If the Australian were to win the ongoing Vienna Open, that would take him to 3,330 points. If he were to reach the final in Paris post that, that would propel him to 3,930 points, edging out Djokovic.

The best-case scenario for Djokovic is De Minaur and Fritz both losing their semi-finals at Vienna and Basel respectively, and then bowing out in the first round at the Paris Masters. The 24-time Grand Slam-winner would then need a semi-final run at the La Défense Arena, that would give him 360 points and possibly overhaul the 319-point deficit to Jodar. The Spanish youngster is also competing in Paris, however, and is likely to pick up some points himself.

In a nutshell, even winning the Paris Masters would not guarantee Djokovic an ATP Finals appearance, whereas a semi-final run is the least he needs to stand any chance (if other results go his way). Either way, the legend needs to pull up his socks. He faces a tough opening match against Valentin Vacherot, who beat Djokovic en route to his first Masters 1000 title last year in Shanghai.

The Serb would face Luciano Darderi or a qualifier in the second round, followed by a potential third-round encounter with Andrey Rublev or eighth seed De Minaur. If he overcomes all these hurdles, a quarter-final meeting with new world No. 1 Zverev likely awaits.