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

EGTB: win in 2 half-moves

# move score
1 Rc3 win in 1 half-moves
2 Ka5 draw
3 Ka6 draw
4 Kb6 draw
5 Kc5 draw
6 Kc6 draw
7 Rc4 draw
8 Rc5 draw
9 Rc6 draw
10 Rc8 draw
11 Rb7 loss in 4 half-moves
12 Ka4 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Rd7 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rc1 loss in 1 half-moves
21 Rc2 loss in 1 half-moves
22 Rh7 loss in 1 half-moves