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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Rb1 win in 3 half-moves
3 Ka1 win in 5 half-moves
4 Kb1 win in 5 half-moves
5 Kb2 win in 5 half-moves
6 Kb5 win in 5 half-moves
7 Kb6 win in 5 half-moves
8 Kc5 win in 5 half-moves
9 Ra1 win in 5 half-moves
10 Rc2 win in 5 half-moves
11 Rd1 win in 5 half-moves
12 Re1 win in 5 half-moves
13 Rf1 win in 5 half-moves
14 Ka3 draw
15 Kb3 draw
16 Kc7 draw
17 Kd5 draw
18 Kd6 draw
19 Kd7 draw
20 Rc3 draw
21 Rc4 loss in 2 half-moves
22 Rc5 loss in 2 half-moves
23 Rg1 loss in 2 half-moves
24 Rh1 loss in 2 half-moves