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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Ra6 draw
6 Rb1 draw
7 Rb7 draw
8 Rc6 draw
9 Rf6 draw
10 Re6 loss in 4 half-moves
11 Rb3 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Rd6 loss in 2 half-moves
16 Rg6 loss in 2 half-moves
17 Rh6 loss in 2 half-moves