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 Kd4 win in 3 half-moves
4 Rc4 win in 3 half-moves
5 Rb3 win in 7 half-moves
6 K5b5 draw
7 K5b6 draw
8 K5d5 draw
9 K6b5 draw
10 K6b6 draw
11 K6d5 draw
12 Kb7 draw
13 Kc7 draw
14 Ra3 draw
15 Rc1 draw
16 Rc2 draw
17 Rd3 draw
18 Rh3 draw
19 K5d6 loss in 2 half-moves
20 K6d6 loss in 2 half-moves
21 Kd7 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