The London market opened slightly lower as reality set in after the euphoria surrounding a deal between Greece and its creditors.
The FTSE 100 Index dipped 2.59 points to 6735.36 after an hour of trading while the Dax dropped 29 points and the CAC-40 lifted four points.
Traders largely sat on the sidelines ahead of an EU finance ministers' meeting to discuss next steps after the rescue deal for Greece.
Uncertainty remained in markets as Tsipras headed back to Athens to try to persuade rebellious lawmakers in his own party to back his reforms.
Jasper Lawler at CMC Markets said: "Tsipras faces possible mutiny within his own coalition government over the harsh terms of the country’s bailout.
"Headlines of in-fighting or hard-line stances in Athens will be a downside risk throughout the day."
Upbeat UK retail sales figures failed to lift the mood ahead of June inflation data later in the morning.
The British Retail Consortium and KPMG said good weather helped retailers rack up the strongest sales growth in 18 months in June.
Inflation readings were likely to remain subdued, with overall inflation unlikely to change while core inflation was expected to stay at 0.9% on the year.
On the corporate front, FirstGroup (LON:FGP) chugged 0.4p lower to 118.7p as rail earnings were set to fall following the end of UK franchise contracts.
Dairy Crest (LON:DCG) melted 4.5p to 561.5p as it said the combined performance of its cheese and spread businesses would be weighted towards the second half.
Support service group Carillion (LON:CLLN) advanced 8.2p to 359.9p after first-half revenue rose and it won an £80mln contract from BP.