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

EGTB: win in 4 half-moves

# move score
1 Rc4 win in 3 half-moves
2 K3c2 draw
3 Rc5 draw
4 Rc6 draw
5 Rd7 draw
6 Re7 draw
7 Rf7 draw
8 Rg7 draw
9 Kb1 loss in 2 half-moves
10 Kb3 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Kc4 loss in 2 half-moves
13 Kd1 loss in 2 half-moves
14 Kd3 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rh7 loss in 2 half-moves
20 K1b2 loss in 1 half-moves
21 K1c2 loss in 1 half-moves
22 K1d2 loss in 1 half-moves
23 K3b2 loss in 1 half-moves
24 K3d2 loss in 1 half-moves