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 Rg4 draw
3 Ra4 loss in 2 half-moves
4 Rb2 loss in 2 half-moves
5 Rb3 loss in 2 half-moves
6 Rb7 loss in 2 half-moves
7 Rb8 loss in 2 half-moves
8 Rh4 loss in 2 half-moves
9 Kc7 loss in 1 half-moves
10 Kc8 loss in 1 half-moves
11 Kd7 loss in 1 half-moves
12 Ke7 loss in 1 half-moves
13 Ke8 loss in 1 half-moves
14 Rb1 loss in 1 half-moves
15 Rb5 loss in 1 half-moves
16 Rc4 loss in 1 half-moves
17 Rd4 loss in 1 half-moves
18 Re4 loss in 1 half-moves
19 Rf4 loss in 1 half-moves