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 Kb7 draw
4 Kb8 draw
5 Ra3 draw
6 Rb5 draw
7 Rb6 draw
8 Rb7 draw
9 Rb8 draw
10 Rc3 draw
11 Rd3 draw
12 Re3 draw
13 Rf3 draw
14 Rb1 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rg3 loss in 2 half-moves
17 Rh3 loss in 2 half-moves