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 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Ra3 draw
6 Rc3 draw
7 Rd3 draw
8 Re3 draw
9 Rf1 draw
10 Rf2 draw
11 Rf5 draw
12 Rf6 draw
13 Rf7 draw
14 Rg3 draw
15 Rf4 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rh3 loss in 2 half-moves