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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kb5 win in 3 half-moves
3 Kb6 win in 3 half-moves
4 Kc2 win in 5 half-moves
5 Rd6 win in 5 half-moves
6 Ka4 draw
7 Ka6 draw
8 Kc3 draw
9 Ke3 draw
10 Ra7 draw
11 Rc7 draw
12 Rd3 draw
13 Rd4 draw
14 Rd5 draw
15 Rd8 draw
16 Re7 draw
17 Rf7 draw
18 Kc1 loss in 2 half-moves
19 Kd1 loss in 2 half-moves
20 Ke1 loss in 2 half-moves
21 Ke2 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rg7 loss in 2 half-moves
24 Rh7 loss in 2 half-moves
25 Kd3 loss in 1 half-moves