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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kc5 win in 3 half-moves
3 Rc5 win in 3 half-moves
4 Ra4 win in 7 half-moves
5 Ka6 draw
6 Ka7 draw
7 Ka8 draw
8 Kb8 draw
9 Kbb6 draw
10 Kbc7 draw
11 Kc8 draw
12 Kcb6 draw
13 Kcc7 draw
14 Kd6 draw
15 Kd7 draw
16 Rb4 draw
17 Rh4 draw
18 Kd5 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Rc2 loss in 2 half-moves
21 Rc3 loss in 2 half-moves
22 Rd4 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Rf4 loss in 2 half-moves
25 Rg4 loss in 2 half-moves