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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Rd3 win in 1 half-moves
3 Kc4 loss in 2 half-moves
4 Kc5 loss in 2 half-moves
5 Kc6 loss in 2 half-moves
6 Kd7 loss in 2 half-moves
7 Kdd6 loss in 2 half-moves
8 Kde5 loss in 2 half-moves
9 Ke4 loss in 2 half-moves
10 Ke7 loss in 2 half-moves
11 Ked6 loss in 2 half-moves
12 Kee5 loss in 2 half-moves
13 Kf5 loss in 2 half-moves
14 Kf6 loss in 2 half-moves
15 Kf7 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Rd2 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rg4 loss in 2 half-moves
23 Rh4 loss in 2 half-moves