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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 K1h2 draw
3 Kg4 draw
4 Kh4 draw
5 Ra8 draw
6 Rb3 draw
7 Rb5 draw
8 Rb6 draw
9 Rb7 draw
10 Rc8 draw
11 Rh8 draw
12 K1g2 loss in 2 half-moves
13 K3g2 loss in 2 half-moves
14 K3h2 loss in 2 half-moves
15 Kg1 loss in 2 half-moves
16 Kg3 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves