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

EGTB: win in 6 half-moves

# move score
1 f7 win in 5 half-moves
2 Rf3 win in 5 half-moves
3 Ra3 draw
4 Rb3 draw
5 Rc4 draw
6 Rc5 draw
7 Rc6 draw
8 Rc7 draw
9 Rc8 draw
10 Rd3 draw
11 Re3 draw
12 Rc1 loss in 2 half-moves
13 Rc2 loss in 2 half-moves
14 Rg3 loss in 2 half-moves
15 Rh3 loss in 2 half-moves