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

EGTB: win in 2 half-moves

# move score
1 Rc1 win in 1 half-moves
2 Ka6 draw
3 Ka8 draw
4 Kd3 draw
5 Kd4 draw
6 Ra2 draw
7 Rb2 draw
8 Rd2 draw
9 Rg2 draw
10 Rh2 draw
11 Kb2 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Kb7 loss in 2 half-moves
16 Kb8 loss in 2 half-moves
17 Kc4 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Kd2 loss in 1 half-moves