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

EGTB: win in 4 half-moves

# move score
1 Ka5 win in 3 half-moves
2 Ka7 draw
3 Kb5 draw
4 Kb6 draw
5 Rb8 draw
6 Rc1 draw
7 Ra8 loss in 16 half-moves
8 Kb7 loss in 2 half-moves
9 Nb3 loss in 2 half-moves
10 Nc2 loss in 2 half-moves
11 Rc2 loss in 2 half-moves
12 Rc3 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Rc5 loss in 2 half-moves
15 Rc6 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh8 loss in 2 half-moves
21 Rf8 loss in 1 half-moves