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 Rf4 win in 5 half-moves
3 Ra4 draw
4 Rb4 draw
5 Rc5 draw
6 Rc6 draw
7 Rc7 draw
8 Rc8 draw
9 Rd4 draw
10 Re4 draw
11 Rc1 loss in 2 half-moves
12 Rc2 loss in 2 half-moves
13 Rc3 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rh4 loss in 2 half-moves