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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Rc2 win in 1 half-moves
3 Rc3 win in 1 half-moves
4 Rc7 win in 1 half-moves
5 Rc8 win in 1 half-moves
6 Rc4 draw
7 Kc5 loss in 2 half-moves
8 Kd4 loss in 2 half-moves
9 Kd6 loss in 2 half-moves
10 Ke4 loss in 2 half-moves
11 Ke5 loss in 2 half-moves
12 Ke6 loss in 2 half-moves
13 Ra6 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rc5 loss in 2 half-moves
16 Rd6 loss in 2 half-moves
17 Re6 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rh6 loss in 2 half-moves
21 Kc4 loss in 1 half-moves