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

EGTB: win in 6 half-moves

# move score
1 b5 win in 5 half-moves
2 Rf7 draw
3 Rh8 draw
4 Rg8 loss in 8 half-moves
5 Rb8 loss in 6 half-moves
6 Ra8 loss in 2 half-moves
7 Rc8 loss in 2 half-moves
8 Rd8 loss in 2 half-moves
9 Re8 loss in 2 half-moves
10 Rf1 loss in 2 half-moves
11 Rf2 loss in 2 half-moves
12 Rf3 loss in 2 half-moves
13 Rf4 loss in 2 half-moves
14 Rf5 loss in 2 half-moves
15 Rf6 loss in 2 half-moves