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 Kb7 draw
3 Kc7 draw
4 Kd7 draw
5 Rb7 draw
6 Rb8 loss in 6 half-moves
7 Kd8 loss in 4 half-moves
8 Rb6 loss in 4 half-moves
9 Re1 loss in 4 half-moves
10 Rg1 loss in 4 half-moves
11 Rh1 loss in 4 half-moves
12 Kb8 loss in 2 half-moves
13 Ra1 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rd1 loss in 2 half-moves
16 Rb3 loss in 1 half-moves
17 Rb4 loss in 1 half-moves
18 Rb5 loss in 1 half-moves
19 Rf1 loss in 1 half-moves