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

EGTB: win in 20 half-moves

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