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

EGTB: win in 48 half-moves

# move score
1 Ra4 win in 47 half-moves
2 Ra5 win in 55 half-moves
3 Re8 draw
4 Rf8 draw
5 Rg8 draw
6 K1a2 loss in 2 half-moves
7 K1b2 loss in 2 half-moves
8 K3a2 loss in 2 half-moves
9 K3b2 loss in 2 half-moves
10 Ka4 loss in 2 half-moves
11 Kb1 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves