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 3 half-moves
3 Kd3 win in 3 half-moves
4 Rd3 win in 3 half-moves
5 Rd4 win in 3 half-moves
6 Rd5 win in 3 half-moves
7 Ra2 win in 7 half-moves
8 Ka4 draw
9 Ka5 draw
10 Ka6 draw
11 Kb6 draw
12 Kbb4 draw
13 Kbc5 draw
14 Kc6 draw
15 Kcb4 draw
16 Kcc5 draw
17 Kd4 draw
18 Kd5 draw
19 Rb2 draw
20 Rc2 draw
21 Rd1 draw
22 Rd6 draw
23 Rh2 draw
24 Rd7 loss in 2 half-moves
25 Rd8 loss in 2 half-moves
26 Re2 loss in 2 half-moves
27 Rf2 loss in 2 half-moves
28 Rg2 loss in 2 half-moves