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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Ra1 win in 7 half-moves
3 Ka7 draw
4 Ka8 draw
5 Kbb7 draw
6 Kbc7 draw
7 Kcb7 draw
8 Kcc7 draw
9 Kd7 draw
10 Kd8 draw
11 Rb2 draw
12 Rb6 draw
13 Rf1 draw
14 Rb3 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rh1 loss in 2 half-moves