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 Ka6 draw
3 Kb6 draw
4 Kc7 draw
5 Ra1 draw
6 Rb6 draw
7 Ka7 loss in 8 half-moves
8 Kb8 loss in 8 half-moves
9 Ka8 loss in 6 half-moves
10 Kc8 loss in 6 half-moves
11 Re1 loss in 4 half-moves
12 Kc6 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rc1 loss in 2 half-moves
17 Rd1 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rh1 loss in 1 half-moves