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 Ka8 draw
5 Kb6 draw
6 Kb8 draw
7 Rb1 draw
8 Rb2 draw
9 Rb5 draw
10 Rb6 draw
11 Rc3 draw
12 Rd3 draw
13 Re3 draw
14 Rg3 draw
15 Rh3 draw
16 Kc6 loss in 2 half-moves
17 Kc7 loss in 2 half-moves
18 Kc8 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Rf3 loss in 2 half-moves