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