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 Kb8 draw
3 Kc7 draw
4 Kd7 draw
5 Rb3 draw
6 Rb7 draw
7 Rb8 draw
8 Rc4 draw
9 Rg4 draw
10 Rh4 draw
11 Kd8 loss in 20 half-moves
12 Kb7 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Ra4 loss in 1 half-moves