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

EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Rge1 win in 3 half-moves
3 Ra1 draw
4 Ra7 draw
5 Re2 draw
6 Re5 draw
7 Re8 draw
8 Ree1 draw
9 Rf7 draw
10 Rb1 loss in 2 half-moves
11 Rb7 loss in 2 half-moves
12 Rc1 loss in 2 half-moves
13 Rc7 loss in 2 half-moves
14 Rd1 loss in 2 half-moves
15 Rd7 loss in 2 half-moves
16 Re3 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Re6 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rh1 loss in 2 half-moves
21 Rh7 loss in 2 half-moves