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 Rf6 draw
3 Ka4 loss in 2 half-moves
4 Ka5 loss in 2 half-moves
5 Ka6 loss in 2 half-moves
6 Kb4 loss in 2 half-moves
7 Kc4 loss in 2 half-moves
8 Kc5 loss in 2 half-moves
9 Kc6 loss in 2 half-moves
10 Ra6 loss in 2 half-moves
11 Rb7 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Rc6 loss in 2 half-moves
14 Re6 loss in 2 half-moves
15 Rg6 loss in 2 half-moves
16 Rh6 loss in 2 half-moves