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 Rb3 draw
7 Rb5 draw
8 Rb7 draw
9 Rb8 draw
10 Rd1 draw
11 Re1 draw
12 Rg1 loss in 6 half-moves
13 Rb2 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rh1 loss in 2 half-moves
16 Rc1 loss in 1 half-moves
17 Rf1 loss in 1 half-moves