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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Kb6 draw
3 Kc6 draw
4 Kd6 draw
5 Kd7 draw
6 Rb8 draw
7 Rg4 draw
8 Kc8 loss in 8 half-moves
9 Rb3 loss in 8 half-moves
10 Rb7 loss in 6 half-moves
11 Kb7 loss in 4 half-moves
12 Kb8 loss in 4 half-moves
13 Kd8 loss in 4 half-moves
14 Ra4 loss in 4 half-moves
15 Rc4 loss in 4 half-moves
16 Rb1 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves