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

EGTB: win in 6 half-moves

# move score
1 Rc6 win in 5 half-moves
2 Rc7 win in 5 half-moves
3 Rc8 win in 5 half-moves
4 Kc3 draw
5 Kd3 draw
6 Ke3 draw
7 Rc3 draw
8 Rc4 draw
9 Rc5 draw
10 Ka6 loss in 2 half-moves
11 Ka8 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Kb8 loss in 2 half-moves
15 Kc1 loss in 2 half-moves
16 Kd1 loss in 2 half-moves
17 Ke1 loss in 2 half-moves
18 Ke2 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rc1 loss in 2 half-moves