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 Ka3 draw
3 Ka5 draw
4 Kb4 draw
5 Ra1 draw
6 Rb2 draw
7 Rb6 draw
8 Rb8 draw
9 Rd1 draw
10 Re1 draw
11 Rg1 draw
12 Kb5 loss in 6 half-moves
13 Kb3 loss in 4 half-moves
14 Rb3 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rh1 loss in 2 half-moves
19 Rc1 loss in 1 half-moves