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

EGTB: win in 2 half-moves

# move score
1 Rh4 win in 1 half-moves
2 Rc1 draw
3 Rc2 draw
4 Rc3 draw
5 Rc7 draw
6 Rc8 draw
7 Re4 draw
8 Rf4 draw
9 Rg4 draw
10 K4b4 loss in 2 half-moves
11 K4b5 loss in 2 half-moves
12 K5b4 loss in 2 half-moves
13 K5b5 loss in 2 half-moves
14 Ka3 loss in 2 half-moves
15 Ka6 loss in 2 half-moves
16 Kb3 loss in 2 half-moves
17 Kb6 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Rc6 loss in 2 half-moves
21 Rd4 loss in 2 half-moves