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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kb8 win in 3 half-moves
3 K5a6 draw
4 K5b6 draw
5 K7a6 draw
6 K7b6 draw
7 Ka4 draw
8 Ka8 draw
9 Ra1 draw
10 Ra3 draw
11 Rb2 draw
12 Kb5 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Rc2 loss in 2 half-moves
16 Rd2 loss in 2 half-moves
17 Re2 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rg2 loss in 2 half-moves
20 Rh2 loss in 2 half-moves