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

EGTB: win in 4 half-moves

# move score
1 Ka2 win in 3 half-moves
2 Ra2 win in 3 half-moves
3 Ka5 draw
4 Kaa4 draw
5 Kb5 draw
6 Kba4 draw
7 Kbb3 draw
8 Kc3 draw
9 Kc4 draw
10 Kc5 draw
11 Rb1 draw
12 Rf1 draw
13 Kab3 loss in 2 half-moves
14 Kb2 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Rd1 loss in 2 half-moves
17 Re1 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rh1 loss in 2 half-moves