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 Kc3 win in 7 half-moves
3 Kd3 win in 7 half-moves
4 Rb2 win in 7 half-moves
5 Rc2 win in 7 half-moves
6 Rd2 win in 7 half-moves
7 Kg2 win in 9 half-moves
8 Kf2 win in 13 half-moves
9 Kb4 draw
10 Kb5 draw
11 Kc5 draw
12 Kd4 draw
13 Kd5 draw
14 Kf1 draw
15 Kh1 draw
16 Kh2 draw
17 Ra1 draw
18 Ra3 draw
19 Ra4 draw
20 Ra8 draw
21 Re2 draw
22 Rf2 draw
23 Ra5 loss in 2 half-moves
24 Ra6 loss in 2 half-moves
25 Ra7 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rh2 loss in 2 half-moves