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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Rd5 win in 3 half-moves
3 Rd6 win in 3 half-moves
4 Kb5 win in 5 half-moves
5 Kb6 win in 5 half-moves
6 Rd7 win in 5 half-moves
7 Ka5 win in 7 half-moves
8 Kd5 win in 7 half-moves
9 Ka7 draw
10 Ra8 draw
11 Rh8 draw
12 Kc3 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Ke3 loss in 2 half-moves
17 Ke4 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rf8 loss in 2 half-moves
23 Rg8 loss in 2 half-moves