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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rd3 win in 1 half-moves
3 Ka3 win in 3 half-moves
4 Ka4 win in 3 half-moves
5 Ka7 win in 3 half-moves
6 Kaa5 win in 3 half-moves
7 Kab5 win in 3 half-moves
8 Kb6 win in 3 half-moves
9 Kb7 win in 3 half-moves
10 Kba5 win in 3 half-moves
11 Kc3 win in 3 half-moves
12 Kc4 win in 3 half-moves
13 Kc5 win in 3 half-moves
14 Ra3 win in 3 half-moves
15 Rc3 win in 3 half-moves
16 Re3 win in 3 half-moves
17 Kbb5 win in 5 half-moves
18 Rb2 win in 5 half-moves
19 Rf3 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rh3 loss in 2 half-moves