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

EGTB: win in 6 half-moves

# move score
1 Rb8 win in 5 half-moves
2 Rd8 win in 5 half-moves
3 K4b5 draw
4 K4c5 draw
5 K6b5 draw
6 K6c5 draw
7 Kb3 draw
8 Kb4 draw
9 Kb6 draw
10 Kb7 draw
11 Kc3 draw
12 Kc7 draw
13 Ra8 draw
14 Re8 draw
15 K4d5 loss in 2 half-moves
16 K6d5 loss in 2 half-moves
17 Kd3 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Kd7 loss in 2 half-moves
21 Rc7 loss in 2 half-moves
22 Rf8 loss in 2 half-moves
23 Rg8 loss in 2 half-moves
24 Rh8 loss in 2 half-moves