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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Ra1 draw
6 Rb5 draw
7 Rb6 draw
8 Rb8 draw
9 Rd1 draw
10 Rf1 draw
11 Rg1 draw
12 Rc1 loss in 6 half-moves
13 Rh1 loss in 6 half-moves
14 Rb7 loss in 2 half-moves
15 Re1 loss in 2 half-moves
16 Rb2 loss in 1 half-moves
17 Rb3 loss in 1 half-moves