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