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

EGTB: win in 4 half-moves

# move score
1 Ka6 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Rb6 win in 3 half-moves
4 Ka2 draw
5 Ka3 draw
6 Kaa4 draw
7 Kab4 draw
8 Kb2 draw
9 Kb5 draw
10 Kba4 draw
11 Kbb4 draw
12 Kc2 draw
13 Kc3 draw
14 Kc4 draw
15 Ra7 draw
16 Rb5 draw
17 Rb8 draw
18 Rc7 draw
19 Rd7 draw
20 Re7 draw
21 Rg7 draw
22 Rh7 draw
23 Rb4 loss in 2 half-moves
24 Rf7 loss in 2 half-moves