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

EGTB: win in 4 half-moves

# move score
1 Ka4 win in 3 half-moves
2 Kd5 win in 3 half-moves
3 Kd6 win in 3 half-moves
4 Ka6 draw
5 Kab4 draw
6 Kab5 draw
7 Kab6 draw
8 Kc4 draw
9 Kc6 draw
10 Kcb4 draw
11 Kcb5 draw
12 Kcb6 draw
13 Ra3 draw
14 Rb3 draw
15 Rc4 draw
16 Rg3 draw
17 Rh3 draw
18 Kd4 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Rc2 loss in 2 half-moves
21 Rd3 loss in 2 half-moves
22 Re3 loss in 2 half-moves
23 Rf3 loss in 2 half-moves