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 Kd3 win in 3 half-moves
3 Kd4 win in 5 half-moves
4 Re1 win in 5 half-moves
5 Re2 win in 5 half-moves
6 Kc4 win in 17 half-moves
7 Ra2 win in 17 half-moves
8 Kb2 draw
9 Kb3 draw
10 Kc2 draw
11 Kd2 draw
12 Ra1 draw
13 Rcc2 draw
14 Rf3 draw
15 Rf4 draw
16 Rf5 draw
17 Rfc2 draw
18 Rff1 draw
19 Rcf1 loss in 4 half-moves
20 Rb1 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rd1 loss in 2 half-moves
23 Rd2 loss in 2 half-moves
24 Rf6 loss in 2 half-moves
25 Rf7 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Rg1 loss in 2 half-moves
28 Rg2 loss in 2 half-moves
29 Rh1 loss in 2 half-moves
30 Rh2 loss in 2 half-moves