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

EGTB: win in 4 half-moves

# move score
1 Re1 win in 3 half-moves
2 Rgf1 win in 3 half-moves
3 Re8 draw
4 Rf2 draw
5 Rf3 draw
6 Rf7 draw
7 Rff1 draw
8 Ra1 loss in 2 half-moves
9 Ra8 loss in 2 half-moves
10 Rb1 loss in 2 half-moves
11 Rb8 loss in 2 half-moves
12 Rc1 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd1 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Rf4 loss in 2 half-moves
17 Rf5 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh1 loss in 2 half-moves
21 Rh8 loss in 2 half-moves