The 27-year-old, who has won four Asian Tour titles and leads the Asian Tour Order of Merit, got a late exemption forcing a change in his plans, including cutting short his honeymoon.
After losing an old passport with a valid visa, money and a bag and then getting delayed due to flights, Lahiri is finally at Hoylake to begin his second campaign at the oldest of the four Majors, starting on Thursday.
Also, because of the time difference, Indians see the British Open more often on TV than the other three Majors in the United States.
Lahiri arrived here in Hoylake on Saturday and immediately got down to business, putting in three practice rounds in three days.
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"I played 18 on Sunday, 16 on Monday and a bit on Tuesday," said Lahiri, who is trying to shake off the effects of tiredness caused by off-course anxieties of late.
"Honestly, I have had more problems off the course than on course," he said with a laugh, adding "but now I am focused."
"Out here (at Links), you have to commit to every shot. In the practice rounds so far, it's been about figuring out which shot I want to hit and committing to it. A few times previously, I wasn't sure and hit shots which have been destructive," he added.