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

EGTB: win in 4 half-moves

# move score
1 Ra1 win in 3 half-moves
2 Re6 win in 3 half-moves
3 R6a7 draw
4 R8a7 draw
5 Rb6 draw
6 Rb8 draw
7 Rc6 draw
8 Rc8 draw
9 Ra2 loss in 2 half-moves
10 Ra3 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Ra5 loss in 2 half-moves
13 Rd6 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rf6 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rg6 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh6 loss in 2 half-moves
21 Rh8 loss in 2 half-moves