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

EGTB: win in 4 half-moves

# move score
1 Kb2 win in 3 half-moves
2 Kc2 win in 3 half-moves
3 Rc2 win in 3 half-moves
4 Ka4 draw
5 Ka6 draw
6 Kab4 draw
7 Kb3 draw
8 Kb5 draw
9 Kb6 draw
10 Kcb4 draw
11 Kd2 draw
12 Kd3 draw
13 Ra1 draw
14 Rb1 draw
15 Rg1 draw
16 Kc4 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rh1 loss in 2 half-moves