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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Rb8 win in 3 half-moves
3 Rc8 draw
4 Rf1 draw
5 Rf5 draw
6 Rf7 draw
7 Rg8 draw
8 Rd8 loss in 4 half-moves
9 Ka2 loss in 2 half-moves
10 Kb1 loss in 2 half-moves
11 Kb2 loss in 2 half-moves
12 Re8 loss in 2 half-moves
13 Rf2 loss in 2 half-moves
14 Rf3 loss in 2 half-moves
15 Rf4 loss in 2 half-moves
16 Rf6 loss in 2 half-moves
17 Rh8 loss in 2 half-moves