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

EGTB: win in 4 half-moves

# move score
1 b7 win in 3 half-moves
2 Rb4 win in 3 half-moves
3 Rd4 win in 3 half-moves
4 Rf3 win in 3 half-moves
5 Rf5 win in 5 half-moves
6 Rg4 win in 5 half-moves
7 Re4 draw
8 Rf6 draw
9 Rf7 draw
10 Rf8 draw
11 Rh4 draw
12 Ra4 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Rf1 loss in 2 half-moves
15 Rf2 loss in 2 half-moves