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 Kb8 draw
5 Ra3 draw
6 Rb1 draw
7 Rb4 draw
8 Rb5 draw
9 Rb6 draw
10 Rg3 draw
11 Rc3 loss in 6 half-moves
12 Re3 loss in 6 half-moves
13 Rb7 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Rf3 loss in 2 half-moves
16 Rh3 loss in 2 half-moves
17 Rd3 loss in 1 half-moves