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

EGTB: win in 4 half-moves

# move score
1 Kcb2 win in 3 half-moves
2 Kcb4 win in 3 half-moves
3 Ra1 win in 3 half-moves
4 Ka2 win in 5 half-moves
5 Kbc2 win in 7 half-moves
6 Kcc2 win in 7 half-moves
7 Rc2 win in 11 half-moves
8 Ka3 draw
9 Ka4 draw
10 Kbb2 draw
11 Kbb4 draw
12 Kbc4 draw
13 Kcc4 draw
14 Rb1 draw
15 Rh1 draw
16 Kd2 loss in 2 half-moves
17 Kd3 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Rd1 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rg1 loss in 2 half-moves