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 Kc8 draw
5 Kh7 draw
6 Ra1 draw
7 Rb3 draw
8 Rb7 draw
9 Rf1 draw
10 Rg1 draw
11 Rh1 draw
12 Kb7 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Kg7 loss in 2 half-moves
15 Kg8 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb6 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