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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb4 draw
3 Ra6 draw
4 Rb1 draw
5 Rb2 draw
6 Rc6 draw
7 Re6 draw
8 K5c6 loss in 2 half-moves
9 K5d6 loss in 2 half-moves
10 K7c6 loss in 2 half-moves
11 K7d6 loss in 2 half-moves
12 Kb7 loss in 2 half-moves
13 Kb8 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Kc8 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Kd8 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rb7 loss in 2 half-moves
24 Rb8 loss in 2 half-moves
25 Rd6 loss in 2 half-moves
26 Rf6 loss in 2 half-moves
27 Rg6 loss in 2 half-moves
28 Rh6 loss in 2 half-moves