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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Kc4 win in 9 half-moves
3 Ra3 win in 13 half-moves
4 K5b5 draw
5 K5b6 draw
6 K6b5 draw
7 K6b6 draw
8 Kb4 draw
9 Kb7 draw
10 Kc7 draw
11 Rc1 draw
12 Rc2 draw
13 Rh3 draw
14 K5d5 loss in 2 half-moves
15 K5d6 loss in 2 half-moves
16 K6d5 loss in 2 half-moves
17 K6d6 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Kd7 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rd3 loss in 2 half-moves
22 Re3 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rg3 loss in 2 half-moves