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

EGTB: win in 2 half-moves

# move score
1 Ka7 win in 1 half-moves
2 Ka5 draw
3 Kb7 draw
4 Rb5 draw
5 Rb6 draw
6 Rb7 draw
7 Kb5 loss in 8 half-moves
8 Kb6 loss in 8 half-moves
9 Ra8 loss in 8 half-moves
10 Rh8 loss in 6 half-moves
11 Rb1 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg8 loss in 1 half-moves