i just translated this page from spanish to english, they say marat is confirmed for davis cup semifinal in argentina...
here's the article (not so well translated - as i used a website that does them free)
Confirmed team to face to Russia in the Davis The Argentine captain, Alberto Mancini, David Nalbandian, Juan Martin Del Potro, Guillermo Canes and Augustine Calleri for dispute the series before the European assembly The captain of the Argentine team of Cup Davis, Alberto Mancini,confirmed the players David Nalbandian, Juan Martin Del Potro, Guillermo Canes and Augustine Calleri for face in semifinals to Russia.
The series before the Russians will be played from the 19 to September 21 in the Stadium of the Park Rock, on dust of brick and before more than fourteen thousand spectators.
Again the hope Argentina to achieve for the first time the Cup Davis takes again forces, although not the performance of the tennis players turn out to be optimum.
The unique one that is emphasized is the ascending one tandilense Of Del Potro (number 17 of the world ranking), who comes to be consecrated in the tournaments of Stuttgart, Kitzbühel, Los Angeles and Washington, is in the rooms of end of the Open one of the United States and crop twenty-three consecutive triumphs in the circuit.
Of the Colt will be one of the singles players next to the unquillense Nalbandian (7º), player that is enlarged in the Davis and more if he is in condition of localities.
The other they called are Canes (52º) and Calleri (49º), who did not they light up in the 2008.
The player that remained relegated with regard to the previous assembly, is the tandilense Juan Monaco, because carries an irregular performance in the season.
In turn, Russia would come to Buenos Aires with Nicolay Davydenko, Marat Safin, Mikhail Youzhny and Igor Andreev, who in rooms of end they left on the road to the Czech Republic.
The other semifinal of the Davis they will play it Spain and United States, in Madrid. The information was diffused by the Association Argentina of Tennis.
here's the link to the article: