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 Kc4 win in 3 half-moves
3 Rg1 win in 3 half-moves
4 Rg2 win in 3 half-moves
5 Rg3 win in 3 half-moves
6 Rg4 win in 3 half-moves
7 Ra5 win in 5 half-moves
8 Ka1 draw
9 Ka2 draw
10 Ka3 draw
11 Kb1 draw
12 Kbb3 draw
13 Kbc2 draw
14 Kc1 draw
15 Kcb3 draw
16 Kcc2 draw
17 Kd2 draw
18 Kd3 draw
19 Kd4 draw
20 Rb5 draw
21 Rf5 draw
22 Rg6 draw
23 Rh5 draw
24 Rc5 loss in 2 half-moves
25 Rd5 loss in 2 half-moves
26 Re5 loss in 2 half-moves
27 Rg7 loss in 2 half-moves
28 Rg8 loss in 2 half-moves