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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Rd8 win in 3 half-moves
3 Kb7 win in 5 half-moves
4 Kc7 win in 5 half-moves
5 Kd7 win in 5 half-moves
6 Rc7 win in 9 half-moves
7 Ra8 win in 13 half-moves
8 K5b5 draw
9 K5b6 draw
10 K5d5 draw
11 K5d6 draw
12 K6b5 draw
13 K6b6 draw
14 K6d5 draw
15 K6d6 draw
16 Kb4 draw
17 Kc4 draw
18 Kd4 draw
19 Re8 draw
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves