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 Kb5 win in 3 half-moves
3 Kc1 win in 3 half-moves
4 Kc2 win in 3 half-moves
5 Ka4 draw
6 Ka6 draw
7 Kb6 draw
8 Kd2 draw
9 Ra4 draw
10 Rb4 draw
11 Rc1 draw
12 Rc3 draw
13 Rc5 draw
14 Rc6 draw
15 Rc7 draw
16 Rc8 draw
17 Rd4 draw
18 Re4 draw
19 Rf4 draw
20 Ke1 loss in 2 half-moves
21 Ke2 loss in 2 half-moves
22 Rc2 loss in 2 half-moves
23 Rg4 loss in 2 half-moves
24 Rh4 loss in 2 half-moves