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

EGTB: draw

# move score
1 Rb2 draw
2 Rb5 draw
3 Rb6 draw
4 Rb7 draw
5 Rd4 draw
6 Kf7 loss in 2 half-moves
7 Kf8 loss in 2 half-moves
8 Kg7 loss in 2 half-moves
9 Kh7 loss in 2 half-moves
10 Kh8 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves