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 Kb7 draw
4 Kb8 draw
5 Ra1 draw
6 Rb6 draw
7 Rb7 draw
8 Rb8 draw
9 Rc1 draw
10 Rd1 draw
11 Rh1 draw
12 Rb3 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Re1 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rg1 loss in 2 half-moves