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

EGTB: win in 2 half-moves

# move score
1 Rd6 win in 1 half-moves
2 Kb7 loss in 2 half-moves
3 Kb8 loss in 2 half-moves
4 Kc7 loss in 2 half-moves
5 Kd7 loss in 2 half-moves
6 Kd8 loss in 2 half-moves
7 Rd1 loss in 2 half-moves
8 Rd2 loss in 2 half-moves
9 Rd3 loss in 2 half-moves
10 Rd5 loss in 2 half-moves
11 Rd7 loss in 2 half-moves
12 Rd8 loss in 2 half-moves
13 Re4 loss in 2 half-moves
14 Rf4 loss in 2 half-moves
15 Rg4 loss in 2 half-moves
16 Rh4 loss in 2 half-moves
17 Ra4 loss in 1 half-moves
18 Rb4 loss in 1 half-moves
19 Rc4 loss in 1 half-moves