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 Kc4 draw
3 Kc6 draw
4 Kd4 draw
5 Kd5 draw
6 Rd6 draw
7 Kb5 loss in 8 half-moves
8 Kd6 loss in 8 half-moves
9 Rb5 loss in 6 half-moves
10 Kb4 loss in 4 half-moves
11 Ra6 loss in 4 half-moves
12 Rc6 loss in 4 half-moves
13 Re6 loss in 4 half-moves
14 Rb1 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rf6 loss in 1 half-moves
20 Rg6 loss in 1 half-moves
21 Rh6 loss in 1 half-moves