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

EGTB: win in 2 half-moves

# move score
1 Kb4 win in 1 half-moves
2 Kb5 win in 1 half-moves
3 Kb6 win in 1 half-moves
4 Kd5 win in 1 half-moves
5 Kd6 win in 1 half-moves
6 Rb1 win in 1 half-moves
7 Rd1 win in 1 half-moves
8 Kb7 win in 3 half-moves
9 Kb8 win in 3 half-moves
10 Ka7 draw
11 Kc4 draw
12 Kc6 draw
13 Kd4 draw
14 Rc2 draw
15 Rc3 draw
16 Rc4 draw
17 Re1 draw
18 Rf1 draw
19 Rh1 draw
20 Ra1 loss in 1 half-moves
21 Rg1 loss in 1 half-moves