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

EGTB: win in 10 half-moves

# move score
1 Re1 win in 9 half-moves
2 R1a2 draw
3 R3a2 draw
4 Ra4 draw
5 Ra7 draw
6 Re3 draw
7 Rf1 draw
8 Rf3 draw
9 Ra5 loss in 2 half-moves
10 Ra6 loss in 2 half-moves
11 Ra8 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rc3 loss in 2 half-moves
16 Rd1 loss in 2 half-moves
17 Rd3 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rg3 loss in 2 half-moves
20 Rh1 loss in 2 half-moves
21 Rh3 loss in 2 half-moves