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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Kb4 win in 3 half-moves
3 Kb5 win in 3 half-moves
4 Kc2 win in 3 half-moves
5 Kc3 win in 3 half-moves
6 Rb7 win in 5 half-moves
7 Ka3 draw
8 Ka5 draw
9 Kc1 draw
10 Kd1 draw
11 Kd3 draw
12 Ke1 draw
13 Ra7 draw
14 Rc7 draw
15 Rd5 draw
16 Rd6 draw
17 Rd8 draw
18 Re7 draw
19 Rf7 draw
20 Ke2 loss in 2 half-moves
21 Ke3 loss in 2 half-moves
22 Rd3 loss in 2 half-moves
23 Rd4 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh7 loss in 2 half-moves