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 draw
3 Rc6 draw
4 Rc7 draw
5 Rc8 draw
6 Ka3 loss in 2 half-moves
7 Ka4 loss in 2 half-moves
8 Ka5 loss in 2 half-moves
9 Kb3 loss in 2 half-moves
10 Kb5 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kg2 loss in 2 half-moves
13 Kg3 loss in 2 half-moves
14 Kg4 loss in 2 half-moves
15 Kh2 loss in 2 half-moves
16 Kh4 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Rc1 loss in 2 half-moves
19 Rc2 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rc5 loss in 2 half-moves
22 Rd3 loss in 2 half-moves
23 Re3 loss in 2 half-moves
24 Rf3 loss in 2 half-moves
25 Rg3 loss in 2 half-moves