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 Rd3 draw
3 Ka4 loss in 2 half-moves
4 Ka5 loss in 2 half-moves
5 Ka6 loss in 2 half-moves
6 Ka7 loss in 2 half-moves
7 Kb4 loss in 2 half-moves
8 Kb6 loss in 2 half-moves
9 Kb7 loss in 2 half-moves
10 Kb8 loss in 2 half-moves
11 Kc4 loss in 2 half-moves
12 Kc5 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rc3 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rh3 loss in 2 half-moves