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 Ka6 draw
3 Kb6 draw
4 Kc6 draw
5 Kc7 draw
6 Kc8 draw
7 Ra3 loss in 28 half-moves
8 Rc3 loss in 28 half-moves
9 Ka7 loss in 14 half-moves
10 Kb8 loss in 10 half-moves
11 Rb4 loss in 10 half-moves
12 Ka8 loss in 6 half-moves
13 Rd3 loss in 4 half-moves
14 Rb1 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