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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Ka6 draw
3 Ka8 draw
4 Kb6 draw
5 Kb7 draw
6 Kb8 draw
7 Kg4 draw
8 Kg5 draw
9 Kg6 draw
10 Kh4 draw
11 Kh6 draw
12 Rc3 draw
13 Rd3 draw
14 Re3 draw
15 Rf3 draw
16 Rg3 draw
17 Rh1 draw
18 Rh2 draw
19 Rh4 draw
20 Ra3 loss in 1 half-moves