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 Ka7 draw
3 Ka8 draw
4 Kd8 draw
5 Ra1 draw
6 Rb3 draw
7 Rf1 draw
8 Rg1 draw
9 Rh1 draw
10 Kbb7 loss in 2 half-moves
11 Kbc7 loss in 2 half-moves
12 Kcb7 loss in 2 half-moves
13 Kcc7 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Rd1 loss in 2 half-moves
21 Re1 loss in 2 half-moves