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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Re1 win in 1 half-moves
3 Rb4 win in 3 half-moves
4 Rc4 win in 3 half-moves
5 Rd4 win in 3 half-moves
6 Rh4 win in 3 half-moves
7 Re2 win in 5 half-moves
8 Re3 win in 5 half-moves
9 Kd4 loss in 2 half-moves
10 Kd5 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Ke6 loss in 2 half-moves
13 Kf4 loss in 2 half-moves
14 Kf5 loss in 2 half-moves
15 Kf6 loss in 2 half-moves
16 Rf4 loss in 2 half-moves
17 Rg4 loss in 2 half-moves