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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kb3 draw
3 Kb5 draw
4 Ra6 draw
5 Rb5 draw
6 Rb7 draw
7 Re6 draw
8 Rf6 draw
9 Ka3 loss in 2 half-moves
10 Ka4 loss in 2 half-moves
11 Ka5 loss in 2 half-moves
12 Kc3 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Rc6 loss in 2 half-moves
16 Rd6 loss in 2 half-moves
17 Rg6 loss in 2 half-moves
18 Rh6 loss in 2 half-moves