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