Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Kb8 win in 3 half-moves
2 Kc7 win in 3 half-moves
3 Kc8 win in 3 half-moves
4 Kd8 win in 3 half-moves
5 Rc8 win in 3 half-moves
6 Rd1 win in 3 half-moves
7 Ra1 win in 9 half-moves
8 Ka6 draw
9 Ka7 draw
10 Ka8 draw
11 Kb6 draw
12 Kc6 draw
13 Kd7 draw
14 Ke7 draw
15 Kf8 draw
16 Rb1 draw
17 Rc6 draw
18 Re1 draw
19 Kf7 loss in 2 half-moves
20 Rc2 loss in 2 half-moves
21 Rc3 loss in 2 half-moves
22 Rc4 loss in 2 half-moves
23 Rc5 loss in 2 half-moves
24 Rc7 loss in 2 half-moves
25 Rf1 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rh1 loss in 2 half-moves