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 Kb3 win in 5 half-moves
3 Kb7 win in 7 half-moves
4 Kc7 win in 7 half-moves
5 Kd7 win in 7 half-moves
6 Rc7 win in 7 half-moves
7 K4b5 draw
8 K4c5 draw
9 K6b5 draw
10 K6c5 draw
11 Kb4 draw
12 Kb6 draw
13 Ra8 draw
14 Rh8 draw
15 K4d5 loss in 2 half-moves
16 K6d5 loss in 2 half-moves
17 Kc3 loss in 2 half-moves
18 Kd3 loss in 2 half-moves
19 Kd4 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Re8 loss in 2 half-moves
23 Rf8 loss in 2 half-moves
24 Rg8 loss in 2 half-moves