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

EGTB: win in 4 half-moves

# move score
1 Rc5 win in 3 half-moves
2 Ra7 draw
3 Rc6 draw
4 Rf7 draw
5 Rg7 draw
6 Rh7 draw
7 K3b3 loss in 2 half-moves
8 K3b4 loss in 2 half-moves
9 K3d3 loss in 2 half-moves
10 K3d4 loss in 2 half-moves
11 K4b3 loss in 2 half-moves
12 K4b4 loss in 2 half-moves
13 K4d3 loss in 2 half-moves
14 K4d4 loss in 2 half-moves
15 Kb2 loss in 2 half-moves
16 Kb5 loss in 2 half-moves
17 Kc2 loss in 2 half-moves
18 Kc5 loss in 2 half-moves
19 Kd2 loss in 2 half-moves
20 Kd5 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rc8 loss in 2 half-moves
23 Rd7 loss in 2 half-moves
24 Re7 loss in 2 half-moves