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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Ka7 draw
3 Ka8 draw
4 Kb7 draw
5 Kc7 draw
6 Kc8 draw
7 Rb2 draw
8 Rb3 draw
9 Rb4 draw
10 Rb5 draw
11 Rc1 draw
12 Rd1 draw
13 Re1 draw
14 Ra1 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rg1 loss in 2 half-moves
18 Rh1 loss in 2 half-moves