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 Re8 win in 3 half-moves
3 Rf8 win in 3 half-moves
4 Rg8 win in 3 half-moves
5 Rh8 win in 3 half-moves
6 Ka5 draw
7 Ra8 draw
8 K6c6 loss in 2 half-moves
9 K6c7 loss in 2 half-moves
10 K7c6 loss in 2 half-moves
11 K7c7 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Kc8 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 K6a6 loss in 1 half-moves
17 K6a7 loss in 1 half-moves
18 K7a6 loss in 1 half-moves
19 K7a7 loss in 1 half-moves
20 Ka8 loss in 1 half-moves