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 Rc3 draw
14 Rd3 draw
15 Re3 draw
16 Rf3 draw
17 Rg3 draw
18 Ra3 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rh3 loss in 2 half-moves