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

EGTB: win in 2 half-moves

# move score
1 Ka7 win in 1 half-moves
2 Ra1 draw
3 Rb2 draw
4 Rb3 draw
5 Rb4 draw
6 Rb7 draw
7 Re1 draw
8 Rf1 draw
9 Rg1 draw
10 Kb8 loss in 2 half-moves
11 Kg1 loss in 2 half-moves
12 Kg2 loss in 2 half-moves
13 Kh2 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Kb7 loss in 1 half-moves