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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Kb7 win in 1 half-moves
3 Kb8 win in 1 half-moves
4 Rb1 win in 1 half-moves
5 Rd1 win in 1 half-moves
6 Re1 win in 1 half-moves
7 Rf1 win in 1 half-moves
8 Rg1 win in 1 half-moves
9 Rh1 win in 1 half-moves
10 K5a6 loss in 2 half-moves
11 Ka4 loss in 2 half-moves
12 Kb4 loss in 2 half-moves
13 K5b6 loss in 1 half-moves
14 K7a6 loss in 1 half-moves
15 K7b6 loss in 1 half-moves
16 Ka8 loss in 1 half-moves
17 Ra2 loss in 1 half-moves
18 Ra3 loss in 1 half-moves
19 Ra4 loss in 1 half-moves
20 Rc1 loss in 1 half-moves