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

EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Kd4 draw
3 Ke4 draw
4 Rc1 draw
5 Rc2 draw
6 Rc4 draw
7 Rc6 draw
8 Rc7 draw
9 Ka6 loss in 2 half-moves
10 Ka8 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Kb7 loss in 2 half-moves
13 Kb8 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Ke6 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Kc4 loss in 1 half-moves