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 Kc6 win in 3 half-moves
3 Kd6 win in 3 half-moves
4 Rc6 win in 3 half-moves
5 Ra7 win in 7 half-moves
6 Kd5 win in 11 half-moves
7 Ka3 draw
8 Ka4 draw
9 Ka5 draw
10 Kb3 draw
11 Kbb5 draw
12 Kbc4 draw
13 Kc3 draw
14 Kcb5 draw
15 Kcc4 draw
16 Rb7 draw
17 Rc8 draw
18 Rd7 draw
19 Rh7 draw
20 Kd4 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Rf7 loss in 2 half-moves
23 Rg7 loss in 2 half-moves