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 Ka7 draw
3 Kb4 draw
4 Kb5 draw
5 Kb6 draw
6 Kb7 draw
7 Kb8 draw
8 Kc4 draw
9 Kc6 draw
10 Ra2 draw
11 Rb2 draw
12 Rh2 draw
13 Kd4 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rd2 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rg2 loss in 2 half-moves