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

EGTB: win in 2 half-moves

# move score
1 Ra7 win in 1 half-moves
2 Ka6 win in 7 half-moves
3 Rc8 draw
4 K4b4 loss in 2 half-moves
5 K4b5 loss in 2 half-moves
6 K5b4 loss in 2 half-moves
7 K5b5 loss in 2 half-moves
8 Ka3 loss in 2 half-moves
9 Kb3 loss in 2 half-moves
10 Kb6 loss in 2 half-moves
11 Ra6 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rf8 loss in 2 half-moves
16 Rg8 loss in 2 half-moves
17 Rh8 loss in 2 half-moves