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 Kb2 win in 3 half-moves
3 Kc2 win in 3 half-moves
4 Rb2 win in 3 half-moves
5 Kc3 win in 7 half-moves
6 Kc4 win in 7 half-moves
7 Ka3 draw
8 Ka6 draw
9 Kaa4 draw
10 Kab4 draw
11 Kb5 draw
12 Kb6 draw
13 Kba4 draw
14 Kbb4 draw
15 Ra1 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