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

EGTB: win in 4 half-moves

# move score
1 Ka5 win in 3 half-moves
2 K6a7 draw
3 K6b7 draw
4 K8a7 draw
5 K8b7 draw
6 Ra1 draw
7 Ra3 draw
8 Rb2 draw
9 Rc2 draw
10 Rg2 draw
11 Rh2 draw
12 Kb5 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Kb8 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Rd2 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Rf2 loss in 2 half-moves