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 Rb7 draw
3 Rg1 draw
4 Ke8 loss in 6 half-moves
5 Rb8 loss in 6 half-moves
6 Rd1 loss in 6 half-moves
7 Ra1 loss in 4 half-moves
8 Rb3 loss in 4 half-moves
9 Kc7 loss in 2 half-moves
10 Kc8 loss in 2 half-moves
11 Kd7 loss in 2 half-moves
12 Ke7 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rb4 loss in 1 half-moves
16 Rb5 loss in 1 half-moves
17 Re1 loss in 1 half-moves
18 Rf1 loss in 1 half-moves
19 Rh1 loss in 1 half-moves