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

EGTB: win in 4 half-moves

# move score
1 Rf3 win in 3 half-moves
2 b7 draw
3 Ra1 draw
4 Ra2 draw
5 Ra4 draw
6 Ra5 draw
7 Ra6 draw
8 Rb3 draw
9 Rc3 draw
10 Rd3 draw
11 Re3 draw
12 Rg3 draw
13 Ra7 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rh3 loss in 2 half-moves