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