Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Ka6 draw
3 Ka7 draw
4 Kb6 draw
5 Kc6 draw
6 Kc7 draw
7 Kc8 draw
8 Ra3 draw
9 Rf3 draw
10 Rg3 draw
11 Kb8 loss in 26 half-moves
12 Ka8 loss in 12 half-moves
13 Rb5 loss in 8 half-moves
14 Rh3 loss in 4 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Re3 loss in 2 half-moves