Krauchanka set a personal heptathlon best at the Tallinn meet (5955) then won his first ever senior medal in the event at the 2007 European Athletics Indoor Championships, earning 6090 points and a bronze medal. The outdoor season saw him make a significant breakthrough as he won the 2007 Hypo-Meeting with a personal best of 8617 points. Among his competitors, he defeated the world record holder Roman Sebrle and reigning world champion Bryan Clay, both of whom praised the emerging Belarusian. He set personal bests in seven of the disciplines and was the outright winner in four of them. He failed to finish at the TNT – Fortuna Meeting but solidified his progress with a win at the 2007 European Athletics U23 Championships with 8492 points. The pressure of expectation affected him at the 2007 World Championships in Athletics as in the first 100 metres event he obviously false started twice, eliminating himself from the competition. He ended the year on a high note with a win at the Décastar meet.