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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Ka6 draw
3 Kb6 draw
4 Ra1 draw
5 Rb2 draw
6 Rb4 draw
7 Rb5 draw
8 Rb6 draw
9 Rb8 draw
10 Rc1 draw
11 Re1 draw
12 Rf1 draw
13 Rg1 draw
14 Rh1 draw
15 Ka4 loss in 2 half-moves
16 Kb4 loss in 2 half-moves
17 Kb5 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rd1 loss in 2 half-moves