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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Ka7 draw
3 Ka8 draw
4 Kb7 draw
5 Ra5 draw
6 Rb2 draw
7 Rb3 draw
8 Rb6 draw
9 Rc5 draw
10 Rg5 draw
11 Kc7 loss in 2 half-moves
12 Kc8 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rd5 loss in 2 half-moves
16 Re5 loss in 2 half-moves
17 Rf5 loss in 2 half-moves
18 Rh5 loss in 2 half-moves