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

EGTB: win in 4 half-moves

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