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 Rg1 win in 1 half-moves
3 Rg2 win in 1 half-moves
4 Rg3 win in 1 half-moves
5 Rg6 win in 1 half-moves
6 Rg7 win in 1 half-moves
7 Rg8 win in 1 half-moves
8 Ra4 loss in 2 half-moves
9 Rc4 loss in 2 half-moves
10 Rd4 loss in 2 half-moves
11 Re4 loss in 2 half-moves
12 Rf4 loss in 2 half-moves
13 Rg5 loss in 2 half-moves
14 Rh4 loss in 2 half-moves