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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Ka5 win in 5 half-moves
3 K6a7 draw
4 K6b7 draw
5 K8a7 draw
6 K8b7 draw
7 Kb5 draw
8 Ra1 draw
9 Rb2 draw
10 Rb3 draw
11 Rb7 draw
12 Rc1 draw
13 Rg1 draw
14 Rh1 draw
15 Kb6 loss in 2 half-moves
16 Kb8 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rd1 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Rf1 loss in 2 half-moves