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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Rd5 win in 5 half-moves
3 Kb5 win in 7 half-moves
4 Kd4 win in 7 half-moves
5 Ka5 win in 9 half-moves
6 Ka7 draw
7 Kb7 draw
8 Ke2 draw
9 Ra7 draw
10 Rd4 draw
11 Rd6 draw
12 Rd8 draw
13 Rg7 draw
14 Kc2 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kd2 loss in 2 half-moves
18 Ke3 loss in 2 half-moves
19 Ke4 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rc7 loss in 2 half-moves
22 Re7 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rh7 loss in 2 half-moves