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

EGTB: win in 4 half-moves

# move score
1 K4b5 win in 3 half-moves
2 K6b5 win in 3 half-moves
3 Kb6 win in 3 half-moves
4 K4c5 draw
5 K4d5 draw
6 K6c5 draw
7 K6d5 draw
8 Ra5 draw
9 Rf4 draw
10 Rf6 draw
11 Rf8 draw
12 Kb3 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Kb7 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Kd3 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Kd7 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rc5 loss in 2 half-moves
23 Rd5 loss in 2 half-moves
24 Re5 loss in 2 half-moves
25 Rf1 loss in 2 half-moves
26 Rf2 loss in 2 half-moves
27 Rf3 loss in 2 half-moves
28 Rf7 loss in 2 half-moves
29 Rg5 loss in 2 half-moves
30 Rh5 loss in 2 half-moves