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

EGTB: win in 4 half-moves

# move score
1 K6b7 win in 3 half-moves
2 K8b7 win in 3 half-moves
3 K8d7 win in 7 half-moves
4 K8c7 win in 9 half-moves
5 K6c7 draw
6 K6d7 draw
7 Ra4 draw
8 Ra6 draw
9 Ra8 draw
10 Rf7 draw
11 Rg7 draw
12 Rh7 draw
13 Kb5 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Kb8 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Kd8 loss in 2 half-moves
20 Ra1 loss in 2 half-moves
21 Ra2 loss in 2 half-moves
22 Ra3 loss in 2 half-moves
23 Ra5 loss in 2 half-moves
24 Rb7 loss in 2 half-moves
25 Rc7 loss in 2 half-moves
26 Rd7 loss in 2 half-moves
27 Re7 loss in 2 half-moves