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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kb7 draw
3 Kc5 draw
4 Kc7 draw
5 Kd5 draw
6 Kd6 draw
7 Kd7 draw
8 Ra4 draw
9 Rb2 draw
10 Rb3 draw
11 Rb6 draw
12 Rb7 draw
13 Rc4 draw
14 Rd4 draw
15 Rf4 draw
16 Rh4 draw
17 Kb5 loss in 20 half-moves
18 Kb6 loss in 6 half-moves
19 Rb1 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Rg4 loss in 1 half-moves