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 Ka6 draw
3 Ka8 draw
4 Kb6 draw
5 Kb7 draw
6 Kb8 draw
7 Ra5 draw
8 Rb2 draw
9 Rb3 draw
10 Rb6 draw
11 Rb7 draw
12 Rc5 draw
13 Re5 draw
14 Rf5 draw
15 Rg5 draw
16 Rb1 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rd5 loss in 2 half-moves
19 Rh5 loss in 2 half-moves