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

EGTB: win in 4 half-moves

# move score
1 Rd8 win in 3 half-moves
2 R6h7 draw
3 R8h7 draw
4 Ra6 draw
5 Ra8 draw
6 Rd6 draw
7 Rg6 draw
8 Rg8 draw
9 Rh1 draw
10 Rh2 draw
11 Rb6 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Rc6 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Re6 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rf6 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rh3 loss in 2 half-moves
20 Rh4 loss in 2 half-moves
21 Rh5 loss in 2 half-moves