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