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 Ka5 draw
3 Kb5 draw
4 Rb4 draw
5 Rb6 draw
6 Ra3 loss in 10 half-moves
7 Ka7 loss in 6 half-moves
8 Rb1 loss in 6 half-moves
9 Rh3 loss in 4 half-moves
10 Kb6 loss in 2 half-moves
11 Kb7 loss in 2 half-moves
12 Rb5 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Rc3 loss in 2 half-moves
16 Rd3 loss in 2 half-moves
17 Re3 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rf3 loss in 1 half-moves