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