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 Kc7 draw
5 Kc8 draw
6 Ra6 draw
7 Rb1 draw
8 Rb3 draw
9 Rb5 draw
10 Rc6 draw
11 Rf6 loss in 6 half-moves
12 Re6 loss in 4 half-moves
13 Ka8 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rd6 loss in 2 half-moves
17 Rg6 loss in 1 half-moves
18 Rh6 loss in 1 half-moves