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 Rc3 draw
4 Re3 draw
5 Rf2 draw
6 Rf5 draw
7 Rf6 draw
8 Rf7 draw
9 Rg3 draw
10 Rh3 draw
11 Kb7 loss in 2 half-moves
12 Kb8 loss in 2 half-moves
13 Rd3 loss in 2 half-moves
14 Rf1 loss in 2 half-moves
15 Rf4 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Ra3 loss in 1 half-moves