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

EGTB: win in 2 half-moves

# move score
1 Rc4 win in 1 half-moves
2 Rc5 win in 1 half-moves
3 Rf6 win in 1 half-moves
4 Rc3 draw
5 Ka6 loss in 2 half-moves
6 Ka7 loss in 2 half-moves
7 Ka8 loss in 2 half-moves
8 Kb8 loss in 2 half-moves
9 Kc7 loss in 2 half-moves
10 Kc8 loss in 2 half-moves
11 Ra6 loss in 2 half-moves
12 Rc1 loss in 2 half-moves
13 Rc2 loss in 2 half-moves
14 Rc7 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd6 loss in 2 half-moves
17 Re6 loss in 2 half-moves
18 Rg6 loss in 2 half-moves
19 Rh6 loss in 2 half-moves
20 Kb6 loss in 1 half-moves
21 Rb6 loss in 1 half-moves