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 Kc6 draw
3 Kc7 loss in 28 half-moves
4 Rc3 loss in 26 half-moves
5 Ra3 loss in 20 half-moves
6 Kc8 loss in 18 half-moves
7 Ka6 loss in 16 half-moves
8 Ka8 loss in 14 half-moves
9 Ka7 loss in 12 half-moves
10 Kb6 loss in 10 half-moves
11 Kb8 loss in 10 half-moves
12 Rd3 loss in 4 half-moves
13 Rb1 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Re3 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rh3 loss in 2 half-moves
20 Rf3 loss in 1 half-moves