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 Rb1 draw
8 Rb3 draw
9 Rb7 draw
10 Rb8 draw
11 Rc5 draw
12 Rd5 draw
13 Rf5 draw
14 Rg5 draw
15 Rh5 draw
16 Ra5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb2 loss in 1 half-moves
19 Re5 loss in 1 half-moves