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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Rc7 win in 3 half-moves
3 Kc4 win in 5 half-moves
4 Rb7 win in 5 half-moves
5 Kb8 win in 7 half-moves
6 Kc5 win in 7 half-moves
7 Kd8 win in 7 half-moves
8 Kc6 draw
9 Kc7 draw
10 Kd4 draw
11 Kd6 draw
12 Kd7 draw
13 Ke5 draw
14 Ke6 draw
15 Ra3 draw
16 Ra5 draw
17 Ra8 draw
18 Rd7 draw
19 Re7 draw
20 Rf7 draw
21 Ke4 loss in 2 half-moves
22 Ra1 loss in 2 half-moves
23 Ra2 loss in 2 half-moves
24 Ra4 loss in 2 half-moves
25 Ra6 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh7 loss in 2 half-moves