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 Kc1 win in 3 half-moves
4 Kc2 win in 3 half-moves
5 Ra4 win in 35 half-moves
6 Ka4 draw
7 Ka6 draw
8 Kb6 draw
9 Kd2 draw
10 Ke1 draw
11 Ke2 draw
12 Rb4 draw
13 Rc4 draw
14 Rd2 draw
15 Rd3 draw
16 Rd5 draw
17 Rh4 draw
18 Rd6 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Rf4 loss in 2 half-moves
23 Rg4 loss in 2 half-moves