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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Ka6 draw
3 Ka8 draw
4 Kb6 draw
5 Kb8 draw
6 Rb2 draw
7 Rb3 draw
8 Rb5 draw
9 Rb6 draw
10 Rc7 loss in 6 half-moves
11 Rd7 loss in 6 half-moves
12 Rf7 loss in 4 half-moves
13 Rb4 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Rg7 loss in 1 half-moves
17 Rh7 loss in 1 half-moves