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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Rb3 draw
3 Rb4 draw
4 Rb5 draw
5 Rc1 draw
6 Rd1 draw
7 Rf1 draw
8 Rh1 draw
9 Rg1 loss in 4 half-moves
10 g1=B loss in 2 half-moves
11 g1=K loss in 2 half-moves
12 g1=N loss in 2 half-moves
13 g1=Q loss in 2 half-moves
14 g1=R loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Re1 loss in 2 half-moves