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

EGTB: win in 4 half-moves

# move score
1 Ka8 win in 3 half-moves
2 K5a6 draw
3 K5b6 draw
4 K7a6 draw
5 K7b6 draw
6 Ka4 draw
7 Kb4 draw
8 Kb8 draw
9 Rb1 draw
10 Rc1 draw
11 Rd1 draw
12 Rh1 draw
13 Kb5 loss in 2 half-moves
14 Kb7 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Re1 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rg1 loss in 2 half-moves