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 Rd4 win in 3 half-moves
4 Rd5 win in 3 half-moves
5 Rd6 win in 3 half-moves
6 Rb7 win in 7 half-moves
7 Ra7 win in 13 half-moves
8 Ka3 draw
9 Ka5 draw
10 Kab4 draw
11 Kab5 draw
12 Kb3 draw
13 Kc4 draw
14 Kcb4 draw
15 Kcb5 draw
16 Kd4 draw
17 Kd5 draw
18 Kd6 draw
19 Rc7 draw
20 Rd3 draw
21 Rd8 draw
22 Rh7 draw
23 Rd1 loss in 2 half-moves
24 Rd2 loss in 2 half-moves
25 Re7 loss in 2 half-moves
26 Rf7 loss in 2 half-moves
27 Rg7 loss in 2 half-moves