Van der Vaart used to play in the Bundesliga with Hamburg and has been linked with a return to Germany, where his wife still works.
Asked about the prospect of joining Schalke, the 29-year-old told Bild: "I don't know. Actually, I want to stay at Tottenham. But, in football, you never know."
Pointing out he never expected to join Spurs or Real Madrid in the way he did, he added: "I spent three years living in Hamburg and had a wonderful time at HSV.
"My wife, Sylvie, works there and we have many friends who live in your country."
The adidas Nitrocharge is the most talked about new cleat in years. It was released on May 15 and will take your pitch by storm.
One of the top soccer cleats for control the Nike CTR360 will not let you down on the field in tight spaces.
Borussia Dortmund hears Wembley Calling and are headed to London for the Champions League final.
Bayern Munich are kings of Germany and hope to be crowned kings of Europe at Wembley later this month!
Ajax has released their away soccer jersey for the 2013/14 season. Get in the Gear.
Chelsea won the Europa League on Wednesday. The Blues defeated Benfica 2-1 on injury time goal from Ivanovic.
The new PUMA evoSPEED 1.2 FG. A great new soccer cleat with classic look and first time for PUMA to be on the cleat.
The push for more color on their cleats, adidas has added the infrared colorway to the adiZero f50 Line.
The Liverpool 2013/14 soccer jersey is available for pre-order. The Reds are eager to compete for silver next season.
The Juventus jersey for the 2013/14 was released earlier this week. Be the first to wear the colors of the Old Lady.