Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Re1 win in 1 half-moves
3 Re2 win in 1 half-moves
4 Re3 win in 1 half-moves
5 Re6 win in 1 half-moves
6 Rc4 win in 3 half-moves
7 Rd4 win in 3 half-moves
8 Rh4 win in 3 half-moves
9 Ra4 loss in 2 half-moves
10 Re5 loss in 2 half-moves
11 Re7 loss in 2 half-moves
12 Re8 loss in 2 half-moves
13 Rf4 loss in 2 half-moves
14 Rg4 loss in 2 half-moves