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

EGTB: win in 8 half-moves

# move score
1 Kb5 win in 7 half-moves
2 Ka5 draw
3 Ka8 draw
4 Kaa7 draw
5 Kab7 draw
6 Kb6 draw
7 Kba7 draw
8 Kbb7 draw
9 Kc7 draw
10 Kc8 draw
11 Ra2 draw
12 Ra3 draw
13 Ra4 draw
14 Ra5 draw
15 Rb1 draw
16 Rc1 draw
17 Rd1 draw
18 Rh1 draw
19 Re1 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rg1 loss in 2 half-moves