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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Ka6 draw
3 Kb6 draw
4 Rh1 draw
5 Kaa8 loss in 2 half-moves
6 Kab7 loss in 2 half-moves
7 Kba8 loss in 2 half-moves
8 Kbb7 loss in 2 half-moves
9 Kc7 loss in 2 half-moves
10 Kc8 loss in 2 half-moves
11 Ra1 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rb7 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 Rf1 loss in 2 half-moves
21 Rg1 loss in 2 half-moves