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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Rc8 win in 1 half-moves
3 Kc3 loss in 2 half-moves
4 Kd1 loss in 2 half-moves
5 Kd3 loss in 2 half-moves
6 Ke1 loss in 2 half-moves
7 Ke2 loss in 2 half-moves
8 Ke3 loss in 2 half-moves
9 Ra5 loss in 2 half-moves
10 Rc3 loss in 2 half-moves
11 Rc4 loss in 2 half-moves
12 Rc6 loss in 2 half-moves
13 Rc7 loss in 2 half-moves
14 Rd5 loss in 2 half-moves
15 Re5 loss in 2 half-moves
16 Rf5 loss in 2 half-moves
17 Rg5 loss in 2 half-moves
18 Rh5 loss in 2 half-moves
19 Kc1 loss in 1 half-moves
20 Kc2 loss in 1 half-moves
21 Rc1 loss in 1 half-moves
22 Rc2 loss in 1 half-moves