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 K4b4 draw
4 K4b5 draw
5 K4d4 draw
6 K4d5 draw
7 K5b4 draw
8 K5b5 draw
9 K5d4 draw
10 K5d5 draw
11 Kb6 draw
12 Kc3 draw
13 Kc6 draw
14 Kd3 draw
15 Kd6 draw
16 Ra8 draw
17 Re8 draw
18 Kb3 loss in 2 half-moves
19 Rc6 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves
23 Rh8 loss in 2 half-moves